s3-samr: implement _samr_ChangePasswordUser().
[ira/wip.git] / source3 / rpc_server / srv_samr_nt.c
1 /*
2  *  Unix SMB/CIFS implementation.
3  *  RPC Pipe client / server routines
4  *  Copyright (C) Andrew Tridgell                   1992-1997,
5  *  Copyright (C) Luke Kenneth Casson Leighton      1996-1997,
6  *  Copyright (C) Paul Ashton                       1997,
7  *  Copyright (C) Marc Jacobsen                     1999,
8  *  Copyright (C) Jeremy Allison                    2001-2008,
9  *  Copyright (C) Jean Fran├žois Micouleau           1998-2001,
10  *  Copyright (C) Jim McDonough <jmcd@us.ibm.com>   2002,
11  *  Copyright (C) Gerald (Jerry) Carter             2003-2004,
12  *  Copyright (C) Simo Sorce                        2003.
13  *  Copyright (C) Volker Lendecke                   2005.
14  *  Copyright (C) Guenther Deschner                 2008.
15  *
16  *  This program is free software; you can redistribute it and/or modify
17  *  it under the terms of the GNU General Public License as published by
18  *  the Free Software Foundation; either version 3 of the License, or
19  *  (at your option) any later version.
20  *
21  *  This program is distributed in the hope that it will be useful,
22  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
23  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
24  *  GNU General Public License for more details.
25  *
26  *  You should have received a copy of the GNU General Public License
27  *  along with this program; if not, see <http://www.gnu.org/licenses/>.
28  */
29
30 /*
31  * This is the implementation of the SAMR code.
32  */
33
34 #include "includes.h"
35 #include "../libcli/auth/libcli_auth.h"
36
37 #undef DBGC_CLASS
38 #define DBGC_CLASS DBGC_RPC_SRV
39
40 #define SAMR_USR_RIGHTS_WRITE_PW \
41                 ( READ_CONTROL_ACCESS           | \
42                   SAMR_USER_ACCESS_CHANGE_PASSWORD      | \
43                   SAMR_USER_ACCESS_SET_LOC_COM)
44 #define SAMR_USR_RIGHTS_CANT_WRITE_PW \
45                 ( READ_CONTROL_ACCESS | SAMR_USER_ACCESS_SET_LOC_COM )
46
47 #define DISP_INFO_CACHE_TIMEOUT 10
48
49 #define MAX_SAM_ENTRIES_W2K 0x400 /* 1024 */
50 #define MAX_SAM_ENTRIES_W95 50
51
52 struct samr_connect_info {
53         uint8_t dummy;
54 };
55
56 struct samr_domain_info {
57         struct dom_sid sid;
58         struct disp_info *disp_info;
59 };
60
61 struct samr_user_info {
62         struct dom_sid sid;
63 };
64
65 struct samr_group_info {
66         struct dom_sid sid;
67 };
68
69 struct samr_alias_info {
70         struct dom_sid sid;
71 };
72
73 typedef struct disp_info {
74         DOM_SID sid; /* identify which domain this is. */
75         struct pdb_search *users; /* querydispinfo 1 and 4 */
76         struct pdb_search *machines; /* querydispinfo 2 */
77         struct pdb_search *groups; /* querydispinfo 3 and 5, enumgroups */
78         struct pdb_search *aliases; /* enumaliases */
79
80         uint16 enum_acb_mask;
81         struct pdb_search *enum_users; /* enumusers with a mask */
82
83         struct timed_event *cache_timeout_event; /* cache idle timeout
84                                                   * handler. */
85 } DISP_INFO;
86
87 static const struct generic_mapping sam_generic_mapping = {
88         GENERIC_RIGHTS_SAM_READ,
89         GENERIC_RIGHTS_SAM_WRITE,
90         GENERIC_RIGHTS_SAM_EXECUTE,
91         GENERIC_RIGHTS_SAM_ALL_ACCESS};
92 static const struct generic_mapping dom_generic_mapping = {
93         GENERIC_RIGHTS_DOMAIN_READ,
94         GENERIC_RIGHTS_DOMAIN_WRITE,
95         GENERIC_RIGHTS_DOMAIN_EXECUTE,
96         GENERIC_RIGHTS_DOMAIN_ALL_ACCESS};
97 static const struct generic_mapping usr_generic_mapping = {
98         GENERIC_RIGHTS_USER_READ,
99         GENERIC_RIGHTS_USER_WRITE,
100         GENERIC_RIGHTS_USER_EXECUTE,
101         GENERIC_RIGHTS_USER_ALL_ACCESS};
102 static const struct generic_mapping usr_nopwchange_generic_mapping = {
103         GENERIC_RIGHTS_USER_READ,
104         GENERIC_RIGHTS_USER_WRITE,
105         GENERIC_RIGHTS_USER_EXECUTE & ~SAMR_USER_ACCESS_CHANGE_PASSWORD,
106         GENERIC_RIGHTS_USER_ALL_ACCESS};
107 static const struct generic_mapping grp_generic_mapping = {
108         GENERIC_RIGHTS_GROUP_READ,
109         GENERIC_RIGHTS_GROUP_WRITE,
110         GENERIC_RIGHTS_GROUP_EXECUTE,
111         GENERIC_RIGHTS_GROUP_ALL_ACCESS};
112 static const struct generic_mapping ali_generic_mapping = {
113         GENERIC_RIGHTS_ALIAS_READ,
114         GENERIC_RIGHTS_ALIAS_WRITE,
115         GENERIC_RIGHTS_ALIAS_EXECUTE,
116         GENERIC_RIGHTS_ALIAS_ALL_ACCESS};
117
118 /*******************************************************************
119 *******************************************************************/
120
121 static NTSTATUS make_samr_object_sd( TALLOC_CTX *ctx, SEC_DESC **psd, size_t *sd_size,
122                                      const struct generic_mapping *map,
123                                      DOM_SID *sid, uint32 sid_access )
124 {
125         DOM_SID domadmin_sid;
126         SEC_ACE ace[5];         /* at most 5 entries */
127         size_t i = 0;
128
129         SEC_ACL *psa = NULL;
130
131         /* basic access for Everyone */
132
133         init_sec_ace(&ace[i++], &global_sid_World, SEC_ACE_TYPE_ACCESS_ALLOWED,
134                         map->generic_execute | map->generic_read, 0);
135
136         /* add Full Access 'BUILTIN\Administrators' and 'BUILTIN\Account Operators */
137
138         init_sec_ace(&ace[i++], &global_sid_Builtin_Administrators,
139                         SEC_ACE_TYPE_ACCESS_ALLOWED, map->generic_all, 0);
140         init_sec_ace(&ace[i++], &global_sid_Builtin_Account_Operators,
141                         SEC_ACE_TYPE_ACCESS_ALLOWED, map->generic_all, 0);
142
143         /* Add Full Access for Domain Admins if we are a DC */
144
145         if ( IS_DC ) {
146                 sid_copy( &domadmin_sid, get_global_sam_sid() );
147                 sid_append_rid( &domadmin_sid, DOMAIN_GROUP_RID_ADMINS );
148                 init_sec_ace(&ace[i++], &domadmin_sid,
149                         SEC_ACE_TYPE_ACCESS_ALLOWED, map->generic_all, 0);
150         }
151
152         /* if we have a sid, give it some special access */
153
154         if ( sid ) {
155                 init_sec_ace(&ace[i++], sid, SEC_ACE_TYPE_ACCESS_ALLOWED, sid_access, 0);
156         }
157
158         /* create the security descriptor */
159
160         if ((psa = make_sec_acl(ctx, NT4_ACL_REVISION, i, ace)) == NULL)
161                 return NT_STATUS_NO_MEMORY;
162
163         if ((*psd = make_sec_desc(ctx, SECURITY_DESCRIPTOR_REVISION_1,
164                                   SEC_DESC_SELF_RELATIVE, NULL, NULL, NULL,
165                                   psa, sd_size)) == NULL)
166                 return NT_STATUS_NO_MEMORY;
167
168         return NT_STATUS_OK;
169 }
170
171 /*******************************************************************
172  Checks if access to an object should be granted, and returns that
173  level of access for further checks.
174 ********************************************************************/
175
176 static NTSTATUS access_check_samr_object( SEC_DESC *psd, NT_USER_TOKEN *token,
177                                           SE_PRIV *rights, uint32 rights_mask,
178                                           uint32 des_access, uint32 *acc_granted,
179                                           const char *debug )
180 {
181         NTSTATUS status = NT_STATUS_ACCESS_DENIED;
182         uint32 saved_mask = 0;
183
184         /* check privileges; certain SAM access bits should be overridden
185            by privileges (mostly having to do with creating/modifying/deleting
186            users and groups) */
187
188         if ( rights && user_has_any_privilege( token, rights ) ) {
189
190                 saved_mask = (des_access & rights_mask);
191                 des_access &= ~saved_mask;
192
193                 DEBUG(4,("access_check_samr_object: user rights access mask [0x%x]\n",
194                         rights_mask));
195         }
196
197
198         /* check the security descriptor first */
199
200         status = se_access_check(psd, token, des_access, acc_granted);
201         if (NT_STATUS_IS_OK(status)) {
202                 goto done;
203         }
204
205         /* give root a free pass */
206
207         if ( geteuid() == sec_initial_uid() ) {
208
209                 DEBUG(4,("%s: ACCESS should be DENIED  (requested: %#010x)\n", debug, des_access));
210                 DEBUGADD(4,("but overritten by euid == sec_initial_uid()\n"));
211
212                 *acc_granted = des_access;
213
214                 status = NT_STATUS_OK;
215                 goto done;
216         }
217
218
219 done:
220         /* add in any bits saved during the privilege check (only
221            matters is status is ok) */
222
223         *acc_granted |= rights_mask;
224
225         DEBUG(4,("%s: access %s (requested: 0x%08x, granted: 0x%08x)\n",
226                 debug, NT_STATUS_IS_OK(status) ? "GRANTED" : "DENIED",
227                 des_access, *acc_granted));
228
229         return status;
230 }
231
232
233 /*******************************************************************
234  Map any MAXIMUM_ALLOWED_ACCESS request to a valid access set.
235 ********************************************************************/
236
237 static void map_max_allowed_access(const NT_USER_TOKEN *token,
238                                         uint32_t *pacc_requested)
239 {
240         if (!((*pacc_requested) & MAXIMUM_ALLOWED_ACCESS)) {
241                 return;
242         }
243         *pacc_requested &= ~MAXIMUM_ALLOWED_ACCESS;
244
245         /* At least try for generic read. */
246         *pacc_requested = GENERIC_READ_ACCESS;
247
248         /* root gets anything. */
249         if (geteuid() == sec_initial_uid()) {
250                 *pacc_requested |= GENERIC_ALL_ACCESS;
251                 return;
252         }
253
254         /* Full Access for 'BUILTIN\Administrators' and 'BUILTIN\Account Operators */
255
256         if (is_sid_in_token(token, &global_sid_Builtin_Administrators) ||
257                         is_sid_in_token(token, &global_sid_Builtin_Account_Operators)) {
258                 *pacc_requested |= GENERIC_ALL_ACCESS;
259                 return;
260         }
261
262         /* Full access for DOMAIN\Domain Admins. */
263         if ( IS_DC ) {
264                 DOM_SID domadmin_sid;
265                 sid_copy( &domadmin_sid, get_global_sam_sid() );
266                 sid_append_rid( &domadmin_sid, DOMAIN_GROUP_RID_ADMINS );
267                 if (is_sid_in_token(token, &domadmin_sid)) {
268                         *pacc_requested |= GENERIC_ALL_ACCESS;
269                         return;
270                 }
271         }
272         /* TODO ! Check privileges. */
273 }
274
275 /*******************************************************************
276  Fetch or create a dispinfo struct.
277 ********************************************************************/
278
279 static DISP_INFO *get_samr_dispinfo_by_sid(const struct dom_sid *psid)
280 {
281         /*
282          * We do a static cache for DISP_INFO's here. Explanation can be found
283          * in Jeremy's checkin message to r11793:
284          *
285          * Fix the SAMR cache so it works across completely insane
286          * client behaviour (ie.:
287          * open pipe/open SAMR handle/enumerate 0 - 1024
288          * close SAMR handle, close pipe.
289          * open pipe/open SAMR handle/enumerate 1024 - 2048...
290          * close SAMR handle, close pipe.
291          * And on ad-nausium. Amazing.... probably object-oriented
292          * client side programming in action yet again.
293          * This change should *massively* improve performance when
294          * enumerating users from an LDAP database.
295          * Jeremy.
296          *
297          * "Our" and the builtin domain are the only ones where we ever
298          * enumerate stuff, so just cache 2 entries.
299          */
300
301         static struct disp_info *builtin_dispinfo;
302         static struct disp_info *domain_dispinfo;
303
304         /* There are two cases to consider here:
305            1) The SID is a domain SID and we look for an equality match, or
306            2) This is an account SID and so we return the DISP_INFO* for our
307               domain */
308
309         if (psid == NULL) {
310                 return NULL;
311         }
312
313         if (sid_check_is_builtin(psid) || sid_check_is_in_builtin(psid)) {
314                 /*
315                  * Necessary only once, but it does not really hurt.
316                  */
317                 if (builtin_dispinfo == NULL) {
318                         builtin_dispinfo = talloc_zero(
319                                 talloc_autofree_context(), struct disp_info);
320                         if (builtin_dispinfo == NULL) {
321                                 return NULL;
322                         }
323                 }
324                 sid_copy(&builtin_dispinfo->sid, &global_sid_Builtin);
325
326                 return builtin_dispinfo;
327         }
328
329         if (sid_check_is_domain(psid) || sid_check_is_in_our_domain(psid)) {
330                 /*
331                  * Necessary only once, but it does not really hurt.
332                  */
333                 if (domain_dispinfo == NULL) {
334                         domain_dispinfo = talloc_zero(
335                                 talloc_autofree_context(), struct disp_info);
336                         if (domain_dispinfo == NULL) {
337                                 return NULL;
338                         }
339                 }
340                 sid_copy(&domain_dispinfo->sid, get_global_sam_sid());
341
342                 return domain_dispinfo;
343         }
344
345         return NULL;
346 }
347
348 /*******************************************************************
349  Function to free the per SID data.
350  ********************************************************************/
351
352 static void free_samr_cache(DISP_INFO *disp_info)
353 {
354         DEBUG(10, ("free_samr_cache: deleting cache for SID %s\n",
355                    sid_string_dbg(&disp_info->sid)));
356
357         /* We need to become root here because the paged search might have to
358          * tell the LDAP server we're not interested in the rest anymore. */
359
360         become_root();
361
362         TALLOC_FREE(disp_info->users);
363         TALLOC_FREE(disp_info->machines);
364         TALLOC_FREE(disp_info->groups);
365         TALLOC_FREE(disp_info->aliases);
366         TALLOC_FREE(disp_info->enum_users);
367
368         unbecome_root();
369 }
370
371 /*******************************************************************
372  Idle event handler. Throw away the disp info cache.
373  ********************************************************************/
374
375 static void disp_info_cache_idle_timeout_handler(struct event_context *ev_ctx,
376                                                  struct timed_event *te,
377                                                  struct timeval now,
378                                                  void *private_data)
379 {
380         DISP_INFO *disp_info = (DISP_INFO *)private_data;
381
382         TALLOC_FREE(disp_info->cache_timeout_event);
383
384         DEBUG(10, ("disp_info_cache_idle_timeout_handler: caching timed "
385                    "out\n"));
386         free_samr_cache(disp_info);
387 }
388
389 /*******************************************************************
390  Setup cache removal idle event handler.
391  ********************************************************************/
392
393 static void set_disp_info_cache_timeout(DISP_INFO *disp_info, time_t secs_fromnow)
394 {
395         /* Remove any pending timeout and update. */
396
397         TALLOC_FREE(disp_info->cache_timeout_event);
398
399         DEBUG(10,("set_disp_info_cache_timeout: caching enumeration for "
400                   "SID %s for %u seconds\n", sid_string_dbg(&disp_info->sid),
401                   (unsigned int)secs_fromnow ));
402
403         disp_info->cache_timeout_event = event_add_timed(
404                 smbd_event_context(), NULL,
405                 timeval_current_ofs(secs_fromnow, 0),
406                 disp_info_cache_idle_timeout_handler, (void *)disp_info);
407 }
408
409 /*******************************************************************
410  Force flush any cache. We do this on any samr_set_xxx call.
411  We must also remove the timeout handler.
412  ********************************************************************/
413
414 static void force_flush_samr_cache(const struct dom_sid *sid)
415 {
416         struct disp_info *disp_info = get_samr_dispinfo_by_sid(sid);
417
418         if ((disp_info == NULL) || (disp_info->cache_timeout_event == NULL)) {
419                 return;
420         }
421
422         DEBUG(10,("force_flush_samr_cache: clearing idle event\n"));
423         TALLOC_FREE(disp_info->cache_timeout_event);
424         free_samr_cache(disp_info);
425 }
426
427 /*******************************************************************
428  Ensure password info is never given out. Paranioa... JRA.
429  ********************************************************************/
430
431 static void samr_clear_sam_passwd(struct samu *sam_pass)
432 {
433
434         if (!sam_pass)
435                 return;
436
437         /* These now zero out the old password */
438
439         pdb_set_lanman_passwd(sam_pass, NULL, PDB_DEFAULT);
440         pdb_set_nt_passwd(sam_pass, NULL, PDB_DEFAULT);
441 }
442
443 static uint32 count_sam_users(struct disp_info *info, uint32 acct_flags)
444 {
445         struct samr_displayentry *entry;
446
447         if (sid_check_is_builtin(&info->sid)) {
448                 /* No users in builtin. */
449                 return 0;
450         }
451
452         if (info->users == NULL) {
453                 info->users = pdb_search_users(info, acct_flags);
454                 if (info->users == NULL) {
455                         return 0;
456                 }
457         }
458         /* Fetch the last possible entry, thus trigger an enumeration */
459         pdb_search_entries(info->users, 0xffffffff, 1, &entry);
460
461         /* Ensure we cache this enumeration. */
462         set_disp_info_cache_timeout(info, DISP_INFO_CACHE_TIMEOUT);
463
464         return info->users->num_entries;
465 }
466
467 static uint32 count_sam_groups(struct disp_info *info)
468 {
469         struct samr_displayentry *entry;
470
471         if (sid_check_is_builtin(&info->sid)) {
472                 /* No groups in builtin. */
473                 return 0;
474         }
475
476         if (info->groups == NULL) {
477                 info->groups = pdb_search_groups(info);
478                 if (info->groups == NULL) {
479                         return 0;
480                 }
481         }
482         /* Fetch the last possible entry, thus trigger an enumeration */
483         pdb_search_entries(info->groups, 0xffffffff, 1, &entry);
484
485         /* Ensure we cache this enumeration. */
486         set_disp_info_cache_timeout(info, DISP_INFO_CACHE_TIMEOUT);
487
488         return info->groups->num_entries;
489 }
490
491 static uint32 count_sam_aliases(struct disp_info *info)
492 {
493         struct samr_displayentry *entry;
494
495         if (info->aliases == NULL) {
496                 info->aliases = pdb_search_aliases(info, &info->sid);
497                 if (info->aliases == NULL) {
498                         return 0;
499                 }
500         }
501         /* Fetch the last possible entry, thus trigger an enumeration */
502         pdb_search_entries(info->aliases, 0xffffffff, 1, &entry);
503
504         /* Ensure we cache this enumeration. */
505         set_disp_info_cache_timeout(info, DISP_INFO_CACHE_TIMEOUT);
506
507         return info->aliases->num_entries;
508 }
509
510 /*******************************************************************
511  _samr_Close
512  ********************************************************************/
513
514 NTSTATUS _samr_Close(pipes_struct *p, struct samr_Close *r)
515 {
516         if (!close_policy_hnd(p, r->in.handle)) {
517                 return NT_STATUS_INVALID_HANDLE;
518         }
519
520         ZERO_STRUCTP(r->out.handle);
521
522         return NT_STATUS_OK;
523 }
524
525 /*******************************************************************
526  _samr_OpenDomain
527  ********************************************************************/
528
529 NTSTATUS _samr_OpenDomain(pipes_struct *p,
530                           struct samr_OpenDomain *r)
531 {
532         struct samr_connect_info *cinfo;
533         struct samr_domain_info *dinfo;
534         SEC_DESC *psd = NULL;
535         uint32    acc_granted;
536         uint32    des_access = r->in.access_mask;
537         NTSTATUS  status;
538         size_t    sd_size;
539         SE_PRIV se_rights;
540
541         /* find the connection policy handle. */
542
543         cinfo = policy_handle_find(p, r->in.connect_handle, 0, NULL,
544                                    struct samr_connect_info, &status);
545         if (!NT_STATUS_IS_OK(status)) {
546                 return status;
547         }
548
549         /*check if access can be granted as requested by client. */
550         map_max_allowed_access(p->server_info->ptok, &des_access);
551
552         make_samr_object_sd( p->mem_ctx, &psd, &sd_size, &dom_generic_mapping, NULL, 0 );
553         se_map_generic( &des_access, &dom_generic_mapping );
554
555         se_priv_copy( &se_rights, &se_machine_account );
556         se_priv_add( &se_rights, &se_add_users );
557
558         status = access_check_samr_object( psd, p->server_info->ptok,
559                 &se_rights, GENERIC_RIGHTS_DOMAIN_WRITE, des_access,
560                 &acc_granted, "_samr_OpenDomain" );
561
562         if ( !NT_STATUS_IS_OK(status) )
563                 return status;
564
565         if (!sid_check_is_domain(r->in.sid) &&
566             !sid_check_is_builtin(r->in.sid)) {
567                 return NT_STATUS_NO_SUCH_DOMAIN;
568         }
569
570         dinfo = policy_handle_create(p, r->out.domain_handle, acc_granted,
571                                      struct samr_domain_info, &status);
572         if (!NT_STATUS_IS_OK(status)) {
573                 return status;
574         }
575         dinfo->sid = *r->in.sid;
576         dinfo->disp_info = get_samr_dispinfo_by_sid(r->in.sid);
577
578         DEBUG(5,("_samr_OpenDomain: %d\n", __LINE__));
579
580         return NT_STATUS_OK;
581 }
582
583 /*******************************************************************
584  _samr_GetUserPwInfo
585  ********************************************************************/
586
587 NTSTATUS _samr_GetUserPwInfo(pipes_struct *p,
588                              struct samr_GetUserPwInfo *r)
589 {
590         struct samr_user_info *uinfo;
591         enum lsa_SidType sid_type;
592         uint32_t min_password_length = 0;
593         uint32_t password_properties = 0;
594         bool ret = false;
595         NTSTATUS status;
596
597         DEBUG(5,("_samr_GetUserPwInfo: %d\n", __LINE__));
598
599         uinfo = policy_handle_find(p, r->in.user_handle,
600                                    SAMR_USER_ACCESS_GET_ATTRIBUTES, NULL,
601                                    struct samr_user_info, &status);
602         if (!NT_STATUS_IS_OK(status)) {
603                 return status;
604         }
605
606         if (!sid_check_is_in_our_domain(&uinfo->sid)) {
607                 return NT_STATUS_OBJECT_TYPE_MISMATCH;
608         }
609
610         become_root();
611         ret = lookup_sid(p->mem_ctx, &uinfo->sid, NULL, NULL, &sid_type);
612         unbecome_root();
613         if (ret == false) {
614                 return NT_STATUS_NO_SUCH_USER;
615         }
616
617         switch (sid_type) {
618                 case SID_NAME_USER:
619                         become_root();
620                         pdb_get_account_policy(AP_MIN_PASSWORD_LEN,
621                                                &min_password_length);
622                         pdb_get_account_policy(AP_USER_MUST_LOGON_TO_CHG_PASS,
623                                                &password_properties);
624                         unbecome_root();
625
626                         if (lp_check_password_script() && *lp_check_password_script()) {
627                                 password_properties |= DOMAIN_PASSWORD_COMPLEX;
628                         }
629
630                         break;
631                 default:
632                         break;
633         }
634
635         r->out.info->min_password_length = min_password_length;
636         r->out.info->password_properties = password_properties;
637
638         DEBUG(5,("_samr_GetUserPwInfo: %d\n", __LINE__));
639
640         return NT_STATUS_OK;
641 }
642
643 /*******************************************************************
644  _samr_SetSecurity
645  ********************************************************************/
646
647 NTSTATUS _samr_SetSecurity(pipes_struct *p,
648                            struct samr_SetSecurity *r)
649 {
650         struct samr_user_info *uinfo;
651         uint32 i;
652         SEC_ACL *dacl;
653         bool ret;
654         struct samu *sampass=NULL;
655         NTSTATUS status;
656
657         uinfo = policy_handle_find(p, r->in.handle,
658                                    SAMR_USER_ACCESS_SET_ATTRIBUTES, NULL,
659                                    struct samr_user_info, &status);
660         if (!NT_STATUS_IS_OK(status)) {
661                 return status;
662         }
663
664         if (!(sampass = samu_new( p->mem_ctx))) {
665                 DEBUG(0,("No memory!\n"));
666                 return NT_STATUS_NO_MEMORY;
667         }
668
669         /* get the user record */
670         become_root();
671         ret = pdb_getsampwsid(sampass, &uinfo->sid);
672         unbecome_root();
673
674         if (!ret) {
675                 DEBUG(4, ("User %s not found\n",
676                           sid_string_dbg(&uinfo->sid)));
677                 TALLOC_FREE(sampass);
678                 return NT_STATUS_INVALID_HANDLE;
679         }
680
681         dacl = r->in.sdbuf->sd->dacl;
682         for (i=0; i < dacl->num_aces; i++) {
683                 if (sid_equal(&uinfo->sid, &dacl->aces[i].trustee)) {
684                         ret = pdb_set_pass_can_change(sampass,
685                                 (dacl->aces[i].access_mask &
686                                  SAMR_USER_ACCESS_CHANGE_PASSWORD) ?
687                                                       True: False);
688                         break;
689                 }
690         }
691
692         if (!ret) {
693                 TALLOC_FREE(sampass);
694                 return NT_STATUS_ACCESS_DENIED;
695         }
696
697         become_root();
698         status = pdb_update_sam_account(sampass);
699         unbecome_root();
700
701         TALLOC_FREE(sampass);
702
703         return status;
704 }
705
706 /*******************************************************************
707   build correct perms based on policies and password times for _samr_query_sec_obj
708 *******************************************************************/
709 static bool check_change_pw_access(TALLOC_CTX *mem_ctx, DOM_SID *user_sid)
710 {
711         struct samu *sampass=NULL;
712         bool ret;
713
714         if ( !(sampass = samu_new( mem_ctx )) ) {
715                 DEBUG(0,("No memory!\n"));
716                 return False;
717         }
718
719         become_root();
720         ret = pdb_getsampwsid(sampass, user_sid);
721         unbecome_root();
722
723         if (ret == False) {
724                 DEBUG(4,("User %s not found\n", sid_string_dbg(user_sid)));
725                 TALLOC_FREE(sampass);
726                 return False;
727         }
728
729         DEBUG(3,("User:[%s]\n",  pdb_get_username(sampass) ));
730
731         if (pdb_get_pass_can_change(sampass)) {
732                 TALLOC_FREE(sampass);
733                 return True;
734         }
735         TALLOC_FREE(sampass);
736         return False;
737 }
738
739
740 /*******************************************************************
741  _samr_QuerySecurity
742  ********************************************************************/
743
744 NTSTATUS _samr_QuerySecurity(pipes_struct *p,
745                              struct samr_QuerySecurity *r)
746 {
747         struct samr_connect_info *cinfo;
748         struct samr_domain_info *dinfo;
749         struct samr_user_info *uinfo;
750         struct samr_group_info *ginfo;
751         struct samr_alias_info *ainfo;
752         NTSTATUS status;
753         SEC_DESC * psd = NULL;
754         size_t sd_size;
755
756         cinfo = policy_handle_find(p, r->in.handle,
757                                    STD_RIGHT_READ_CONTROL_ACCESS, NULL,
758                                    struct samr_connect_info, &status);
759         if (NT_STATUS_IS_OK(status)) {
760                 DEBUG(5,("_samr_QuerySecurity: querying security on SAM\n"));
761                 status = make_samr_object_sd(p->mem_ctx, &psd, &sd_size,
762                                              &sam_generic_mapping, NULL, 0);
763                 goto done;
764         }
765
766         dinfo = policy_handle_find(p, r->in.handle,
767                                    STD_RIGHT_READ_CONTROL_ACCESS, NULL,
768                                    struct samr_domain_info, &status);
769         if (NT_STATUS_IS_OK(status)) {
770                 DEBUG(5,("_samr_QuerySecurity: querying security on Domain "
771                          "with SID: %s\n", sid_string_dbg(&dinfo->sid)));
772                 /*
773                  * TODO: Builtin probably needs a different SD with restricted
774                  * write access
775                  */
776                 status = make_samr_object_sd(p->mem_ctx, &psd, &sd_size,
777                                              &dom_generic_mapping, NULL, 0);
778                 goto done;
779         }
780
781         uinfo = policy_handle_find(p, r->in.handle,
782                                    STD_RIGHT_READ_CONTROL_ACCESS, NULL,
783                                    struct samr_user_info, &status);
784         if (NT_STATUS_IS_OK(status)) {
785                 DEBUG(10,("_samr_QuerySecurity: querying security on user "
786                           "Object with SID: %s\n",
787                           sid_string_dbg(&uinfo->sid)));
788                 if (check_change_pw_access(p->mem_ctx, &uinfo->sid)) {
789                         status = make_samr_object_sd(
790                                 p->mem_ctx, &psd, &sd_size,
791                                 &usr_generic_mapping,
792                                 &uinfo->sid, SAMR_USR_RIGHTS_WRITE_PW);
793                 } else {
794                         status = make_samr_object_sd(
795                                 p->mem_ctx, &psd, &sd_size,
796                                 &usr_nopwchange_generic_mapping,
797                                 &uinfo->sid, SAMR_USR_RIGHTS_CANT_WRITE_PW);
798                 }
799                 goto done;
800         }
801
802         ginfo = policy_handle_find(p, r->in.handle,
803                                    STD_RIGHT_READ_CONTROL_ACCESS, NULL,
804                                    struct samr_group_info, &status);
805         if (NT_STATUS_IS_OK(status)) {
806                 /*
807                  * TODO: different SDs have to be generated for aliases groups
808                  * and users.  Currently all three get a default user SD
809                  */
810                 DEBUG(10,("_samr_QuerySecurity: querying security on group "
811                           "Object with SID: %s\n",
812                           sid_string_dbg(&ginfo->sid)));
813                 status = make_samr_object_sd(
814                         p->mem_ctx, &psd, &sd_size,
815                         &usr_nopwchange_generic_mapping,
816                         &ginfo->sid, SAMR_USR_RIGHTS_CANT_WRITE_PW);
817                 goto done;
818         }
819
820         ainfo = policy_handle_find(p, r->in.handle,
821                                    STD_RIGHT_READ_CONTROL_ACCESS, NULL,
822                                    struct samr_alias_info, &status);
823         if (NT_STATUS_IS_OK(status)) {
824                 /*
825                  * TODO: different SDs have to be generated for aliases groups
826                  * and users.  Currently all three get a default user SD
827                  */
828                 DEBUG(10,("_samr_QuerySecurity: querying security on alias "
829                           "Object with SID: %s\n",
830                           sid_string_dbg(&ainfo->sid)));
831                 status = make_samr_object_sd(
832                         p->mem_ctx, &psd, &sd_size,
833                         &usr_nopwchange_generic_mapping,
834                         &ainfo->sid, SAMR_USR_RIGHTS_CANT_WRITE_PW);
835                 goto done;
836         }
837
838         return NT_STATUS_OBJECT_TYPE_MISMATCH;
839 done:
840         if ((*r->out.sdbuf = make_sec_desc_buf(p->mem_ctx, sd_size, psd)) == NULL)
841                 return NT_STATUS_NO_MEMORY;
842
843         return status;
844 }
845
846 /*******************************************************************
847 makes a SAM_ENTRY / UNISTR2* structure from a user list.
848 ********************************************************************/
849
850 static NTSTATUS make_user_sam_entry_list(TALLOC_CTX *ctx,
851                                          struct samr_SamEntry **sam_pp,
852                                          uint32_t num_entries,
853                                          uint32_t start_idx,
854                                          struct samr_displayentry *entries)
855 {
856         uint32_t i;
857         struct samr_SamEntry *sam;
858
859         *sam_pp = NULL;
860
861         if (num_entries == 0) {
862                 return NT_STATUS_OK;
863         }
864
865         sam = TALLOC_ZERO_ARRAY(ctx, struct samr_SamEntry, num_entries);
866         if (sam == NULL) {
867                 DEBUG(0, ("make_user_sam_entry_list: TALLOC_ZERO failed!\n"));
868                 return NT_STATUS_NO_MEMORY;
869         }
870
871         for (i = 0; i < num_entries; i++) {
872 #if 0
873                 /*
874                  * usrmgr expects a non-NULL terminated string with
875                  * trust relationships
876                  */
877                 if (entries[i].acct_flags & ACB_DOMTRUST) {
878                         init_unistr2(&uni_temp_name, entries[i].account_name,
879                                      UNI_FLAGS_NONE);
880                 } else {
881                         init_unistr2(&uni_temp_name, entries[i].account_name,
882                                      UNI_STR_TERMINATE);
883                 }
884 #endif
885                 init_lsa_String(&sam[i].name, entries[i].account_name);
886                 sam[i].idx = entries[i].rid;
887         }
888
889         *sam_pp = sam;
890
891         return NT_STATUS_OK;
892 }
893
894 #define MAX_SAM_ENTRIES MAX_SAM_ENTRIES_W2K
895
896 /*******************************************************************
897  _samr_EnumDomainUsers
898  ********************************************************************/
899
900 NTSTATUS _samr_EnumDomainUsers(pipes_struct *p,
901                                struct samr_EnumDomainUsers *r)
902 {
903         NTSTATUS status;
904         struct samr_domain_info *dinfo;
905         int num_account;
906         uint32 enum_context = *r->in.resume_handle;
907         enum remote_arch_types ra_type = get_remote_arch();
908         int max_sam_entries = (ra_type == RA_WIN95) ? MAX_SAM_ENTRIES_W95 : MAX_SAM_ENTRIES_W2K;
909         uint32 max_entries = max_sam_entries;
910         struct samr_displayentry *entries = NULL;
911         struct samr_SamArray *samr_array = NULL;
912         struct samr_SamEntry *samr_entries = NULL;
913
914         DEBUG(5,("_samr_EnumDomainUsers: %d\n", __LINE__));
915
916         dinfo = policy_handle_find(p, r->in.domain_handle,
917                                    SAMR_DOMAIN_ACCESS_ENUM_ACCOUNTS, NULL,
918                                    struct samr_domain_info, &status);
919         if (!NT_STATUS_IS_OK(status)) {
920                 return status;
921         }
922
923         if (sid_check_is_builtin(&dinfo->sid)) {
924                 /* No users in builtin. */
925                 *r->out.resume_handle = *r->in.resume_handle;
926                 DEBUG(5,("_samr_EnumDomainUsers: No users in BUILTIN\n"));
927                 return status;
928         }
929
930         samr_array = TALLOC_ZERO_P(p->mem_ctx, struct samr_SamArray);
931         if (!samr_array) {
932                 return NT_STATUS_NO_MEMORY;
933         }
934         *r->out.sam = samr_array;
935
936         become_root();
937
938         /* AS ROOT !!!! */
939
940         if ((dinfo->disp_info->enum_users != NULL) &&
941             (dinfo->disp_info->enum_acb_mask != r->in.acct_flags)) {
942                 TALLOC_FREE(dinfo->disp_info->enum_users);
943         }
944
945         if (dinfo->disp_info->enum_users == NULL) {
946                 dinfo->disp_info->enum_users = pdb_search_users(
947                         dinfo->disp_info, r->in.acct_flags);
948                 dinfo->disp_info->enum_acb_mask = r->in.acct_flags;
949         }
950
951         if (dinfo->disp_info->enum_users == NULL) {
952                 /* END AS ROOT !!!! */
953                 unbecome_root();
954                 return NT_STATUS_ACCESS_DENIED;
955         }
956
957         num_account = pdb_search_entries(dinfo->disp_info->enum_users,
958                                          enum_context, max_entries,
959                                          &entries);
960
961         /* END AS ROOT !!!! */
962
963         unbecome_root();
964
965         if (num_account == 0) {
966                 DEBUG(5, ("_samr_EnumDomainUsers: enumeration handle over "
967                           "total entries\n"));
968                 *r->out.resume_handle = *r->in.resume_handle;
969                 return NT_STATUS_OK;
970         }
971
972         status = make_user_sam_entry_list(p->mem_ctx, &samr_entries,
973                                           num_account, enum_context,
974                                           entries);
975         if (!NT_STATUS_IS_OK(status)) {
976                 return status;
977         }
978
979         if (max_entries <= num_account) {
980                 status = STATUS_MORE_ENTRIES;
981         } else {
982                 status = NT_STATUS_OK;
983         }
984
985         /* Ensure we cache this enumeration. */
986         set_disp_info_cache_timeout(dinfo->disp_info, DISP_INFO_CACHE_TIMEOUT);
987
988         DEBUG(5, ("_samr_EnumDomainUsers: %d\n", __LINE__));
989
990         samr_array->count = num_account;
991         samr_array->entries = samr_entries;
992
993         *r->out.resume_handle = *r->in.resume_handle + num_account;
994         *r->out.num_entries = num_account;
995
996         DEBUG(5,("_samr_EnumDomainUsers: %d\n", __LINE__));
997
998         return status;
999 }
1000
1001 /*******************************************************************
1002 makes a SAM_ENTRY / UNISTR2* structure from a group list.
1003 ********************************************************************/
1004
1005 static void make_group_sam_entry_list(TALLOC_CTX *ctx,
1006                                       struct samr_SamEntry **sam_pp,
1007                                       uint32_t num_sam_entries,
1008                                       struct samr_displayentry *entries)
1009 {
1010         struct samr_SamEntry *sam;
1011         uint32_t i;
1012
1013         *sam_pp = NULL;
1014
1015         if (num_sam_entries == 0) {
1016                 return;
1017         }
1018
1019         sam = TALLOC_ZERO_ARRAY(ctx, struct samr_SamEntry, num_sam_entries);
1020         if (sam == NULL) {
1021                 return;
1022         }
1023
1024         for (i = 0; i < num_sam_entries; i++) {
1025                 /*
1026                  * JRA. I think this should include the null. TNG does not.
1027                  */
1028                 init_lsa_String(&sam[i].name, entries[i].account_name);
1029                 sam[i].idx = entries[i].rid;
1030         }
1031
1032         *sam_pp = sam;
1033 }
1034
1035 /*******************************************************************
1036  _samr_EnumDomainGroups
1037  ********************************************************************/
1038
1039 NTSTATUS _samr_EnumDomainGroups(pipes_struct *p,
1040                                 struct samr_EnumDomainGroups *r)
1041 {
1042         NTSTATUS status;
1043         struct samr_domain_info *dinfo;
1044         struct samr_displayentry *groups;
1045         uint32 num_groups;
1046         struct samr_SamArray *samr_array = NULL;
1047         struct samr_SamEntry *samr_entries = NULL;
1048
1049         dinfo = policy_handle_find(p, r->in.domain_handle,
1050                                    SAMR_DOMAIN_ACCESS_ENUM_ACCOUNTS, NULL,
1051                                    struct samr_domain_info, &status);
1052         if (!NT_STATUS_IS_OK(status)) {
1053                 return status;
1054         }
1055
1056         DEBUG(5,("_samr_EnumDomainGroups: %d\n", __LINE__));
1057
1058         if (sid_check_is_builtin(&dinfo->sid)) {
1059                 /* No groups in builtin. */
1060                 *r->out.resume_handle = *r->in.resume_handle;
1061                 DEBUG(5,("_samr_EnumDomainGroups: No groups in BUILTIN\n"));
1062                 return status;
1063         }
1064
1065         samr_array = TALLOC_ZERO_P(p->mem_ctx, struct samr_SamArray);
1066         if (!samr_array) {
1067                 return NT_STATUS_NO_MEMORY;
1068         }
1069
1070         /* the domain group array is being allocated in the function below */
1071
1072         become_root();
1073
1074         if (dinfo->disp_info->groups == NULL) {
1075                 dinfo->disp_info->groups = pdb_search_groups(dinfo->disp_info);
1076
1077                 if (dinfo->disp_info->groups == NULL) {
1078                         unbecome_root();
1079                         return NT_STATUS_ACCESS_DENIED;
1080                 }
1081         }
1082
1083         num_groups = pdb_search_entries(dinfo->disp_info->groups,
1084                                         *r->in.resume_handle,
1085                                         MAX_SAM_ENTRIES, &groups);
1086         unbecome_root();
1087
1088         /* Ensure we cache this enumeration. */
1089         set_disp_info_cache_timeout(dinfo->disp_info, DISP_INFO_CACHE_TIMEOUT);
1090
1091         make_group_sam_entry_list(p->mem_ctx, &samr_entries,
1092                                   num_groups, groups);
1093
1094         samr_array->count = num_groups;
1095         samr_array->entries = samr_entries;
1096
1097         *r->out.sam = samr_array;
1098         *r->out.num_entries = num_groups;
1099         *r->out.resume_handle = num_groups + *r->in.resume_handle;
1100
1101         DEBUG(5,("_samr_EnumDomainGroups: %d\n", __LINE__));
1102
1103         return status;
1104 }
1105
1106 /*******************************************************************
1107  _samr_EnumDomainAliases
1108  ********************************************************************/
1109
1110 NTSTATUS _samr_EnumDomainAliases(pipes_struct *p,
1111                                  struct samr_EnumDomainAliases *r)
1112 {
1113         NTSTATUS status;
1114         struct samr_domain_info *dinfo;
1115         struct samr_displayentry *aliases;
1116         uint32 num_aliases = 0;
1117         struct samr_SamArray *samr_array = NULL;
1118         struct samr_SamEntry *samr_entries = NULL;
1119
1120         dinfo = policy_handle_find(p, r->in.domain_handle,
1121                                    SAMR_DOMAIN_ACCESS_ENUM_ACCOUNTS, NULL,
1122                                    struct samr_domain_info, &status);
1123         if (!NT_STATUS_IS_OK(status)) {
1124                 return status;
1125         }
1126
1127         DEBUG(5,("_samr_EnumDomainAliases: sid %s\n",
1128                  sid_string_dbg(&dinfo->sid)));
1129
1130         samr_array = TALLOC_ZERO_P(p->mem_ctx, struct samr_SamArray);
1131         if (!samr_array) {
1132                 return NT_STATUS_NO_MEMORY;
1133         }
1134
1135         become_root();
1136
1137         if (dinfo->disp_info->aliases == NULL) {
1138                 dinfo->disp_info->aliases = pdb_search_aliases(
1139                         dinfo->disp_info, &dinfo->sid);
1140                 if (dinfo->disp_info->aliases == NULL) {
1141                         unbecome_root();
1142                         return NT_STATUS_ACCESS_DENIED;
1143                 }
1144         }
1145
1146         num_aliases = pdb_search_entries(dinfo->disp_info->aliases,
1147                                          *r->in.resume_handle,
1148                                          MAX_SAM_ENTRIES, &aliases);
1149         unbecome_root();
1150
1151         /* Ensure we cache this enumeration. */
1152         set_disp_info_cache_timeout(dinfo->disp_info, DISP_INFO_CACHE_TIMEOUT);
1153
1154         make_group_sam_entry_list(p->mem_ctx, &samr_entries,
1155                                   num_aliases, aliases);
1156
1157         DEBUG(5,("_samr_EnumDomainAliases: %d\n", __LINE__));
1158
1159         samr_array->count = num_aliases;
1160         samr_array->entries = samr_entries;
1161
1162         *r->out.sam = samr_array;
1163         *r->out.num_entries = num_aliases;
1164         *r->out.resume_handle = num_aliases + *r->in.resume_handle;
1165
1166         return status;
1167 }
1168
1169 /*******************************************************************
1170  inits a samr_DispInfoGeneral structure.
1171 ********************************************************************/
1172
1173 static NTSTATUS init_samr_dispinfo_1(TALLOC_CTX *ctx,
1174                                      struct samr_DispInfoGeneral *r,
1175                                      uint32_t num_entries,
1176                                      uint32_t start_idx,
1177                                      struct samr_displayentry *entries)
1178 {
1179         uint32 i;
1180
1181         DEBUG(10, ("init_samr_dispinfo_1: num_entries: %d\n", num_entries));
1182
1183         if (num_entries == 0) {
1184                 return NT_STATUS_OK;
1185         }
1186
1187         r->count = num_entries;
1188
1189         r->entries = TALLOC_ZERO_ARRAY(ctx, struct samr_DispEntryGeneral, num_entries);
1190         if (!r->entries) {
1191                 return NT_STATUS_NO_MEMORY;
1192         }
1193
1194         for (i = 0; i < num_entries ; i++) {
1195
1196                 init_lsa_String(&r->entries[i].account_name,
1197                                 entries[i].account_name);
1198
1199                 init_lsa_String(&r->entries[i].description,
1200                                 entries[i].description);
1201
1202                 init_lsa_String(&r->entries[i].full_name,
1203                                 entries[i].fullname);
1204
1205                 r->entries[i].rid = entries[i].rid;
1206                 r->entries[i].acct_flags = entries[i].acct_flags;
1207                 r->entries[i].idx = start_idx+i+1;
1208         }
1209
1210         return NT_STATUS_OK;
1211 }
1212
1213 /*******************************************************************
1214  inits a samr_DispInfoFull structure.
1215 ********************************************************************/
1216
1217 static NTSTATUS init_samr_dispinfo_2(TALLOC_CTX *ctx,
1218                                      struct samr_DispInfoFull *r,
1219                                      uint32_t num_entries,
1220                                      uint32_t start_idx,
1221                                      struct samr_displayentry *entries)
1222 {
1223         uint32_t i;
1224
1225         DEBUG(10, ("init_samr_dispinfo_2: num_entries: %d\n", num_entries));
1226
1227         if (num_entries == 0) {
1228                 return NT_STATUS_OK;
1229         }
1230
1231         r->count = num_entries;
1232
1233         r->entries = TALLOC_ZERO_ARRAY(ctx, struct samr_DispEntryFull, num_entries);
1234         if (!r->entries) {
1235                 return NT_STATUS_NO_MEMORY;
1236         }
1237
1238         for (i = 0; i < num_entries ; i++) {
1239
1240                 init_lsa_String(&r->entries[i].account_name,
1241                                 entries[i].account_name);
1242
1243                 init_lsa_String(&r->entries[i].description,
1244                                 entries[i].description);
1245
1246                 r->entries[i].rid = entries[i].rid;
1247                 r->entries[i].acct_flags = entries[i].acct_flags;
1248                 r->entries[i].idx = start_idx+i+1;
1249         }
1250
1251         return NT_STATUS_OK;
1252 }
1253
1254 /*******************************************************************
1255  inits a samr_DispInfoFullGroups structure.
1256 ********************************************************************/
1257
1258 static NTSTATUS init_samr_dispinfo_3(TALLOC_CTX *ctx,
1259                                      struct samr_DispInfoFullGroups *r,
1260                                      uint32_t num_entries,
1261                                      uint32_t start_idx,
1262                                      struct samr_displayentry *entries)
1263 {
1264         uint32_t i;
1265
1266         DEBUG(5, ("init_samr_dispinfo_3: num_entries: %d\n", num_entries));
1267
1268         if (num_entries == 0) {
1269                 return NT_STATUS_OK;
1270         }
1271
1272         r->count = num_entries;
1273
1274         r->entries = TALLOC_ZERO_ARRAY(ctx, struct samr_DispEntryFullGroup, num_entries);
1275         if (!r->entries) {
1276                 return NT_STATUS_NO_MEMORY;
1277         }
1278
1279         for (i = 0; i < num_entries ; i++) {
1280
1281                 init_lsa_String(&r->entries[i].account_name,
1282                                 entries[i].account_name);
1283
1284                 init_lsa_String(&r->entries[i].description,
1285                                 entries[i].description);
1286
1287                 r->entries[i].rid = entries[i].rid;
1288                 r->entries[i].acct_flags = entries[i].acct_flags;
1289                 r->entries[i].idx = start_idx+i+1;
1290         }
1291
1292         return NT_STATUS_OK;
1293 }
1294
1295 /*******************************************************************
1296  inits a samr_DispInfoAscii structure.
1297 ********************************************************************/
1298
1299 static NTSTATUS init_samr_dispinfo_4(TALLOC_CTX *ctx,
1300                                      struct samr_DispInfoAscii *r,
1301                                      uint32_t num_entries,
1302                                      uint32_t start_idx,
1303                                      struct samr_displayentry *entries)
1304 {
1305         uint32_t i;
1306
1307         DEBUG(5, ("init_samr_dispinfo_4: num_entries: %d\n", num_entries));
1308
1309         if (num_entries == 0) {
1310                 return NT_STATUS_OK;
1311         }
1312
1313         r->count = num_entries;
1314
1315         r->entries = TALLOC_ZERO_ARRAY(ctx, struct samr_DispEntryAscii, num_entries);
1316         if (!r->entries) {
1317                 return NT_STATUS_NO_MEMORY;
1318         }
1319
1320         for (i = 0; i < num_entries ; i++) {
1321
1322                 init_lsa_AsciiStringLarge(&r->entries[i].account_name,
1323                                           entries[i].account_name);
1324
1325                 r->entries[i].idx = start_idx+i+1;
1326         }
1327
1328         return NT_STATUS_OK;
1329 }
1330
1331 /*******************************************************************
1332  inits a samr_DispInfoAscii structure.
1333 ********************************************************************/
1334
1335 static NTSTATUS init_samr_dispinfo_5(TALLOC_CTX *ctx,
1336                                      struct samr_DispInfoAscii *r,
1337                                      uint32_t num_entries,
1338                                      uint32_t start_idx,
1339                                      struct samr_displayentry *entries)
1340 {
1341         uint32_t i;
1342
1343         DEBUG(5, ("init_samr_dispinfo_5: num_entries: %d\n", num_entries));
1344
1345         if (num_entries == 0) {
1346                 return NT_STATUS_OK;
1347         }
1348
1349         r->count = num_entries;
1350
1351         r->entries = TALLOC_ZERO_ARRAY(ctx, struct samr_DispEntryAscii, num_entries);
1352         if (!r->entries) {
1353                 return NT_STATUS_NO_MEMORY;
1354         }
1355
1356         for (i = 0; i < num_entries ; i++) {
1357
1358                 init_lsa_AsciiStringLarge(&r->entries[i].account_name,
1359                                           entries[i].account_name);
1360
1361                 r->entries[i].idx = start_idx+i+1;
1362         }
1363
1364         return NT_STATUS_OK;
1365 }
1366
1367 /*******************************************************************
1368  _samr_QueryDisplayInfo
1369  ********************************************************************/
1370
1371 NTSTATUS _samr_QueryDisplayInfo(pipes_struct *p,
1372                                 struct samr_QueryDisplayInfo *r)
1373 {
1374         NTSTATUS status;
1375         struct samr_domain_info *dinfo;
1376         uint32 struct_size=0x20; /* W2K always reply that, client doesn't care */
1377
1378         uint32 max_entries = r->in.max_entries;
1379         uint32 enum_context = r->in.start_idx;
1380         uint32 max_size = r->in.buf_size;
1381
1382         union samr_DispInfo *disp_info = r->out.info;
1383
1384         uint32 temp_size=0, total_data_size=0;
1385         NTSTATUS disp_ret = NT_STATUS_UNSUCCESSFUL;
1386         uint32 num_account = 0;
1387         enum remote_arch_types ra_type = get_remote_arch();
1388         int max_sam_entries = (ra_type == RA_WIN95) ? MAX_SAM_ENTRIES_W95 : MAX_SAM_ENTRIES_W2K;
1389         struct samr_displayentry *entries = NULL;
1390
1391         DEBUG(5,("_samr_QueryDisplayInfo: %d\n", __LINE__));
1392
1393         dinfo = policy_handle_find(p, r->in.domain_handle,
1394                                    SAMR_DOMAIN_ACCESS_ENUM_ACCOUNTS, NULL,
1395                                    struct samr_domain_info, &status);
1396         if (!NT_STATUS_IS_OK(status)) {
1397                 return status;
1398         }
1399
1400         if (sid_check_is_builtin(&dinfo->sid)) {
1401                 DEBUG(5,("_samr_QueryDisplayInfo: no users in BUILTIN\n"));
1402                 return NT_STATUS_OK;
1403         }
1404
1405         /*
1406          * calculate how many entries we will return.
1407          * based on
1408          * - the number of entries the client asked
1409          * - our limit on that
1410          * - the starting point (enumeration context)
1411          * - the buffer size the client will accept
1412          */
1413
1414         /*
1415          * We are a lot more like W2K. Instead of reading the SAM
1416          * each time to find the records we need to send back,
1417          * we read it once and link that copy to the sam handle.
1418          * For large user list (over the MAX_SAM_ENTRIES)
1419          * it's a definitive win.
1420          * second point to notice: between enumerations
1421          * our sam is now the same as it's a snapshoot.
1422          * third point: got rid of the static SAM_USER_21 struct
1423          * no more intermediate.
1424          * con: it uses much more memory, as a full copy is stored
1425          * in memory.
1426          *
1427          * If you want to change it, think twice and think
1428          * of the second point , that's really important.
1429          *
1430          * JFM, 12/20/2001
1431          */
1432
1433         if ((r->in.level < 1) || (r->in.level > 5)) {
1434                 DEBUG(0,("_samr_QueryDisplayInfo: Unknown info level (%u)\n",
1435                          (unsigned int)r->in.level ));
1436                 return NT_STATUS_INVALID_INFO_CLASS;
1437         }
1438
1439         /* first limit the number of entries we will return */
1440         if(max_entries > max_sam_entries) {
1441                 DEBUG(5, ("_samr_QueryDisplayInfo: client requested %d "
1442                           "entries, limiting to %d\n", max_entries,
1443                           max_sam_entries));
1444                 max_entries = max_sam_entries;
1445         }
1446
1447         /* calculate the size and limit on the number of entries we will
1448          * return */
1449
1450         temp_size=max_entries*struct_size;
1451
1452         if (temp_size>max_size) {
1453                 max_entries=MIN((max_size/struct_size),max_entries);;
1454                 DEBUG(5, ("_samr_QueryDisplayInfo: buffer size limits to "
1455                           "only %d entries\n", max_entries));
1456         }
1457
1458         become_root();
1459
1460         /* THe following done as ROOT. Don't return without unbecome_root(). */
1461
1462         switch (r->in.level) {
1463         case 0x1:
1464         case 0x4:
1465                 if (dinfo->disp_info->users == NULL) {
1466                         dinfo->disp_info->users = pdb_search_users(
1467                                 dinfo->disp_info, ACB_NORMAL);
1468                         if (dinfo->disp_info->users == NULL) {
1469                                 unbecome_root();
1470                                 return NT_STATUS_ACCESS_DENIED;
1471                         }
1472                         DEBUG(10,("_samr_QueryDisplayInfo: starting user enumeration at index %u\n",
1473                                 (unsigned  int)enum_context ));
1474                 } else {
1475                         DEBUG(10,("_samr_QueryDisplayInfo: using cached user enumeration at index %u\n",
1476                                 (unsigned  int)enum_context ));
1477                 }
1478
1479                 num_account = pdb_search_entries(dinfo->disp_info->users,
1480                                                  enum_context, max_entries,
1481                                                  &entries);
1482                 break;
1483         case 0x2:
1484                 if (dinfo->disp_info->machines == NULL) {
1485                         dinfo->disp_info->machines = pdb_search_users(
1486                                 dinfo->disp_info, ACB_WSTRUST|ACB_SVRTRUST);
1487                         if (dinfo->disp_info->machines == NULL) {
1488                                 unbecome_root();
1489                                 return NT_STATUS_ACCESS_DENIED;
1490                         }
1491                         DEBUG(10,("_samr_QueryDisplayInfo: starting machine enumeration at index %u\n",
1492                                 (unsigned  int)enum_context ));
1493                 } else {
1494                         DEBUG(10,("_samr_QueryDisplayInfo: using cached machine enumeration at index %u\n",
1495                                 (unsigned  int)enum_context ));
1496                 }
1497
1498                 num_account = pdb_search_entries(dinfo->disp_info->machines,
1499                                                  enum_context, max_entries,
1500                                                  &entries);
1501                 break;
1502         case 0x3:
1503         case 0x5:
1504                 if (dinfo->disp_info->groups == NULL) {
1505                         dinfo->disp_info->groups = pdb_search_groups(
1506                                 dinfo->disp_info);
1507                         if (dinfo->disp_info->groups == NULL) {
1508                                 unbecome_root();
1509                                 return NT_STATUS_ACCESS_DENIED;
1510                         }
1511                         DEBUG(10,("_samr_QueryDisplayInfo: starting group enumeration at index %u\n",
1512                                 (unsigned  int)enum_context ));
1513                 } else {
1514                         DEBUG(10,("_samr_QueryDisplayInfo: using cached group enumeration at index %u\n",
1515                                 (unsigned  int)enum_context ));
1516                 }
1517
1518                 num_account = pdb_search_entries(dinfo->disp_info->groups,
1519                                                  enum_context, max_entries,
1520                                                  &entries);
1521                 break;
1522         default:
1523                 unbecome_root();
1524                 smb_panic("info class changed");
1525                 break;
1526         }
1527         unbecome_root();
1528
1529
1530         /* Now create reply structure */
1531         switch (r->in.level) {
1532         case 0x1:
1533                 disp_ret = init_samr_dispinfo_1(p->mem_ctx, &disp_info->info1,
1534                                                 num_account, enum_context,
1535                                                 entries);
1536                 break;
1537         case 0x2:
1538                 disp_ret = init_samr_dispinfo_2(p->mem_ctx, &disp_info->info2,
1539                                                 num_account, enum_context,
1540                                                 entries);
1541                 break;
1542         case 0x3:
1543                 disp_ret = init_samr_dispinfo_3(p->mem_ctx, &disp_info->info3,
1544                                                 num_account, enum_context,
1545                                                 entries);
1546                 break;
1547         case 0x4:
1548                 disp_ret = init_samr_dispinfo_4(p->mem_ctx, &disp_info->info4,
1549                                                 num_account, enum_context,
1550                                                 entries);
1551                 break;
1552         case 0x5:
1553                 disp_ret = init_samr_dispinfo_5(p->mem_ctx, &disp_info->info5,
1554                                                 num_account, enum_context,
1555                                                 entries);
1556                 break;
1557         default:
1558                 smb_panic("info class changed");
1559                 break;
1560         }
1561
1562         if (!NT_STATUS_IS_OK(disp_ret))
1563                 return disp_ret;
1564
1565         /* calculate the total size */
1566         total_data_size=num_account*struct_size;
1567
1568         if (max_entries <= num_account) {
1569                 status = STATUS_MORE_ENTRIES;
1570         } else {
1571                 status = NT_STATUS_OK;
1572         }
1573
1574         /* Ensure we cache this enumeration. */
1575         set_disp_info_cache_timeout(dinfo->disp_info, DISP_INFO_CACHE_TIMEOUT);
1576
1577         DEBUG(5, ("_samr_QueryDisplayInfo: %d\n", __LINE__));
1578
1579         *r->out.total_size = total_data_size;
1580         *r->out.returned_size = temp_size;
1581
1582         return status;
1583 }
1584
1585 /****************************************************************
1586  _samr_QueryDisplayInfo2
1587 ****************************************************************/
1588
1589 NTSTATUS _samr_QueryDisplayInfo2(pipes_struct *p,
1590                                  struct samr_QueryDisplayInfo2 *r)
1591 {
1592         struct samr_QueryDisplayInfo q;
1593
1594         q.in.domain_handle      = r->in.domain_handle;
1595         q.in.level              = r->in.level;
1596         q.in.start_idx          = r->in.start_idx;
1597         q.in.max_entries        = r->in.max_entries;
1598         q.in.buf_size           = r->in.buf_size;
1599
1600         q.out.total_size        = r->out.total_size;
1601         q.out.returned_size     = r->out.returned_size;
1602         q.out.info              = r->out.info;
1603
1604         return _samr_QueryDisplayInfo(p, &q);
1605 }
1606
1607 /****************************************************************
1608  _samr_QueryDisplayInfo3
1609 ****************************************************************/
1610
1611 NTSTATUS _samr_QueryDisplayInfo3(pipes_struct *p,
1612                                  struct samr_QueryDisplayInfo3 *r)
1613 {
1614         struct samr_QueryDisplayInfo q;
1615
1616         q.in.domain_handle      = r->in.domain_handle;
1617         q.in.level              = r->in.level;
1618         q.in.start_idx          = r->in.start_idx;
1619         q.in.max_entries        = r->in.max_entries;
1620         q.in.buf_size           = r->in.buf_size;
1621
1622         q.out.total_size        = r->out.total_size;
1623         q.out.returned_size     = r->out.returned_size;
1624         q.out.info              = r->out.info;
1625
1626         return _samr_QueryDisplayInfo(p, &q);
1627 }
1628
1629 /*******************************************************************
1630  _samr_QueryAliasInfo
1631  ********************************************************************/
1632
1633 NTSTATUS _samr_QueryAliasInfo(pipes_struct *p,
1634                               struct samr_QueryAliasInfo *r)
1635 {
1636         struct samr_alias_info *ainfo;
1637         struct acct_info info;
1638         NTSTATUS status;
1639         union samr_AliasInfo *alias_info = NULL;
1640         const char *alias_name = NULL;
1641         const char *alias_description = NULL;
1642
1643         DEBUG(5,("_samr_QueryAliasInfo: %d\n", __LINE__));
1644
1645         ainfo = policy_handle_find(p, r->in.alias_handle,
1646                                    SAMR_ALIAS_ACCESS_LOOKUP_INFO, NULL,
1647                                    struct samr_alias_info, &status);
1648         if (!NT_STATUS_IS_OK(status)) {
1649                 return status;
1650         }
1651
1652         alias_info = TALLOC_ZERO_P(p->mem_ctx, union samr_AliasInfo);
1653         if (!alias_info) {
1654                 return NT_STATUS_NO_MEMORY;
1655         }
1656
1657         become_root();
1658         status = pdb_get_aliasinfo(&ainfo->sid, &info);
1659         unbecome_root();
1660
1661         if ( !NT_STATUS_IS_OK(status))
1662                 return status;
1663
1664         /* FIXME: info contains fstrings */
1665         alias_name = talloc_strdup(r, info.acct_name);
1666         alias_description = talloc_strdup(r, info.acct_desc);
1667
1668         switch (r->in.level) {
1669         case ALIASINFOALL:
1670                 alias_info->all.name.string             = alias_name;
1671                 alias_info->all.num_members             = 1; /* ??? */
1672                 alias_info->all.description.string      = alias_description;
1673                 break;
1674         case ALIASINFODESCRIPTION:
1675                 alias_info->description.string          = alias_description;
1676                 break;
1677         default:
1678                 return NT_STATUS_INVALID_INFO_CLASS;
1679         }
1680
1681         *r->out.info = alias_info;
1682
1683         DEBUG(5,("_samr_QueryAliasInfo: %d\n", __LINE__));
1684
1685         return NT_STATUS_OK;
1686 }
1687
1688 /*******************************************************************
1689  _samr_LookupNames
1690  ********************************************************************/
1691
1692 NTSTATUS _samr_LookupNames(pipes_struct *p,
1693                            struct samr_LookupNames *r)
1694 {
1695         struct samr_domain_info *dinfo;
1696         NTSTATUS status;
1697         uint32 *rid;
1698         enum lsa_SidType *type;
1699         int i;
1700         int num_rids = r->in.num_names;
1701         struct samr_Ids rids, types;
1702         uint32_t num_mapped = 0;
1703
1704         DEBUG(5,("_samr_LookupNames: %d\n", __LINE__));
1705
1706         dinfo = policy_handle_find(p, r->in.domain_handle,
1707                                    0 /* Don't know the acc_bits yet */, NULL,
1708                                    struct samr_domain_info, &status);
1709         if (!NT_STATUS_IS_OK(status)) {
1710                 return status;
1711         }
1712
1713         if (num_rids > MAX_SAM_ENTRIES) {
1714                 num_rids = MAX_SAM_ENTRIES;
1715                 DEBUG(5,("_samr_LookupNames: truncating entries to %d\n", num_rids));
1716         }
1717
1718         rid = talloc_array(p->mem_ctx, uint32, num_rids);
1719         NT_STATUS_HAVE_NO_MEMORY(rid);
1720
1721         type = talloc_array(p->mem_ctx, enum lsa_SidType, num_rids);
1722         NT_STATUS_HAVE_NO_MEMORY(type);
1723
1724         DEBUG(5,("_samr_LookupNames: looking name on SID %s\n",
1725                  sid_string_dbg(&dinfo->sid)));
1726
1727         for (i = 0; i < num_rids; i++) {
1728
1729                 status = NT_STATUS_NONE_MAPPED;
1730                 type[i] = SID_NAME_UNKNOWN;
1731
1732                 rid[i] = 0xffffffff;
1733
1734                 if (sid_check_is_builtin(&dinfo->sid)) {
1735                         if (lookup_builtin_name(r->in.names[i].string,
1736                                                 &rid[i]))
1737                         {
1738                                 type[i] = SID_NAME_ALIAS;
1739                         }
1740                 } else {
1741                         lookup_global_sam_name(r->in.names[i].string, 0,
1742                                                &rid[i], &type[i]);
1743                 }
1744
1745                 if (type[i] != SID_NAME_UNKNOWN) {
1746                         num_mapped++;
1747                 }
1748         }
1749
1750         if (num_mapped == num_rids) {
1751                 status = NT_STATUS_OK;
1752         } else if (num_mapped == 0) {
1753                 status = NT_STATUS_NONE_MAPPED;
1754         } else {
1755                 status = STATUS_SOME_UNMAPPED;
1756         }
1757
1758         rids.count = num_rids;
1759         rids.ids = rid;
1760
1761         types.count = num_rids;
1762         types.ids = type;
1763
1764         *r->out.rids = rids;
1765         *r->out.types = types;
1766
1767         DEBUG(5,("_samr_LookupNames: %d\n", __LINE__));
1768
1769         return status;
1770 }
1771
1772 /****************************************************************
1773  _samr_ChangePasswordUser
1774 ****************************************************************/
1775
1776 NTSTATUS _samr_ChangePasswordUser(pipes_struct *p,
1777                                   struct samr_ChangePasswordUser *r)
1778 {
1779         NTSTATUS status;
1780         bool ret = false;
1781         struct samr_user_info *uinfo;
1782         struct samu *pwd;
1783         struct samr_Password new_lmPwdHash, new_ntPwdHash, checkHash;
1784         struct samr_Password lm_pwd, nt_pwd;
1785
1786         uinfo = policy_handle_find(p, r->in.user_handle,
1787                                    SAMR_USER_ACCESS_SET_PASSWORD, NULL,
1788                                    struct samr_user_info, &status);
1789         if (!NT_STATUS_IS_OK(status)) {
1790                 return status;
1791         }
1792
1793         DEBUG(5,("_samr_ChangePasswordUser: sid:%s\n",
1794                   sid_string_dbg(&uinfo->sid)));
1795
1796         if (!(pwd = samu_new(NULL))) {
1797                 return NT_STATUS_NO_MEMORY;
1798         }
1799
1800         become_root();
1801         ret = pdb_getsampwsid(pwd, &uinfo->sid);
1802         unbecome_root();
1803
1804         if (!ret) {
1805                 TALLOC_FREE(pwd);
1806                 return NT_STATUS_WRONG_PASSWORD;
1807         }
1808
1809         {
1810                 const uint8_t *lm_pass, *nt_pass;
1811
1812                 lm_pass = pdb_get_lanman_passwd(pwd);
1813                 nt_pass = pdb_get_nt_passwd(pwd);
1814
1815                 memcpy(&lm_pwd.hash, lm_pass, sizeof(lm_pwd.hash));
1816                 memcpy(&nt_pwd.hash, nt_pass, sizeof(nt_pwd.hash));
1817         }
1818
1819         /* basic sanity checking on parameters.  Do this before any database ops */
1820         if (!r->in.lm_present || !r->in.nt_present ||
1821             !r->in.old_lm_crypted || !r->in.new_lm_crypted ||
1822             !r->in.old_nt_crypted || !r->in.new_nt_crypted) {
1823                 /* we should really handle a change with lm not
1824                    present */
1825                 status = NT_STATUS_INVALID_PARAMETER_MIX;
1826                 goto out;
1827         }
1828
1829         /* decrypt and check the new lm hash */
1830         D_P16(lm_pwd.hash, r->in.new_lm_crypted->hash, new_lmPwdHash.hash);
1831         D_P16(new_lmPwdHash.hash, r->in.old_lm_crypted->hash, checkHash.hash);
1832         if (memcmp(checkHash.hash, lm_pwd.hash, 16) != 0) {
1833                 status = NT_STATUS_WRONG_PASSWORD;
1834                 goto out;
1835         }
1836
1837         /* decrypt and check the new nt hash */
1838         D_P16(nt_pwd.hash, r->in.new_nt_crypted->hash, new_ntPwdHash.hash);
1839         D_P16(new_ntPwdHash.hash, r->in.old_nt_crypted->hash, checkHash.hash);
1840         if (memcmp(checkHash.hash, nt_pwd.hash, 16) != 0) {
1841                 status = NT_STATUS_WRONG_PASSWORD;
1842                 goto out;
1843         }
1844
1845         /* The NT Cross is not required by Win2k3 R2, but if present
1846            check the nt cross hash */
1847         if (r->in.cross1_present && r->in.nt_cross) {
1848                 D_P16(lm_pwd.hash, r->in.nt_cross->hash, checkHash.hash);
1849                 if (memcmp(checkHash.hash, new_ntPwdHash.hash, 16) != 0) {
1850                         status = NT_STATUS_WRONG_PASSWORD;
1851                         goto out;
1852                 }
1853         }
1854
1855         /* The LM Cross is not required by Win2k3 R2, but if present
1856            check the lm cross hash */
1857         if (r->in.cross2_present && r->in.lm_cross) {
1858                 D_P16(nt_pwd.hash, r->in.lm_cross->hash, checkHash.hash);
1859                 if (memcmp(checkHash.hash, new_lmPwdHash.hash, 16) != 0) {
1860                         status = NT_STATUS_WRONG_PASSWORD;
1861                         goto out;
1862                 }
1863         }
1864
1865         if (!pdb_set_nt_passwd(pwd, new_ntPwdHash.hash, PDB_CHANGED) ||
1866             !pdb_set_lanman_passwd(pwd, new_lmPwdHash.hash, PDB_CHANGED)) {
1867                 status = NT_STATUS_ACCESS_DENIED;
1868                 goto out;
1869         }
1870
1871         status = pdb_update_sam_account(pwd);
1872  out:
1873         TALLOC_FREE(pwd);
1874
1875         return status;
1876 }
1877
1878 /*******************************************************************
1879  _samr_ChangePasswordUser2
1880  ********************************************************************/
1881
1882 NTSTATUS _samr_ChangePasswordUser2(pipes_struct *p,
1883                                    struct samr_ChangePasswordUser2 *r)
1884 {
1885         NTSTATUS status;
1886         fstring user_name;
1887         fstring wks;
1888
1889         DEBUG(5,("_samr_ChangePasswordUser2: %d\n", __LINE__));
1890
1891         fstrcpy(user_name, r->in.account->string);
1892         fstrcpy(wks, r->in.server->string);
1893
1894         DEBUG(5,("_samr_ChangePasswordUser2: user: %s wks: %s\n", user_name, wks));
1895
1896         /*
1897          * Pass the user through the NT -> unix user mapping
1898          * function.
1899          */
1900
1901         (void)map_username(user_name);
1902
1903         /*
1904          * UNIX username case mangling not required, pass_oem_change
1905          * is case insensitive.
1906          */
1907
1908         status = pass_oem_change(user_name,
1909                                  r->in.lm_password->data,
1910                                  r->in.lm_verifier->hash,
1911                                  r->in.nt_password->data,
1912                                  r->in.nt_verifier->hash,
1913                                  NULL);
1914
1915         DEBUG(5,("_samr_ChangePasswordUser2: %d\n", __LINE__));
1916
1917         return status;
1918 }
1919
1920 /****************************************************************
1921  _samr_OemChangePasswordUser2
1922 ****************************************************************/
1923
1924 NTSTATUS _samr_OemChangePasswordUser2(pipes_struct *p,
1925                                       struct samr_OemChangePasswordUser2 *r)
1926 {
1927         NTSTATUS status;
1928         fstring user_name;
1929         const char *wks = NULL;
1930
1931         DEBUG(5,("_samr_OemChangePasswordUser2: %d\n", __LINE__));
1932
1933         fstrcpy(user_name, r->in.account->string);
1934         if (r->in.server && r->in.server->string) {
1935                 wks = r->in.server->string;
1936         }
1937
1938         DEBUG(5,("_samr_OemChangePasswordUser2: user: %s wks: %s\n", user_name, wks));
1939
1940         /*
1941          * Pass the user through the NT -> unix user mapping
1942          * function.
1943          */
1944
1945         (void)map_username(user_name);
1946
1947         /*
1948          * UNIX username case mangling not required, pass_oem_change
1949          * is case insensitive.
1950          */
1951
1952         if (!r->in.hash || !r->in.password) {
1953                 return NT_STATUS_INVALID_PARAMETER;
1954         }
1955
1956         status = pass_oem_change(user_name,
1957                                  r->in.password->data,
1958                                  r->in.hash->hash,
1959                                  0,
1960                                  0,
1961                                  NULL);
1962
1963         DEBUG(5,("_samr_OemChangePasswordUser2: %d\n", __LINE__));
1964
1965         return status;
1966 }
1967
1968 /*******************************************************************
1969  _samr_ChangePasswordUser3
1970  ********************************************************************/
1971
1972 NTSTATUS _samr_ChangePasswordUser3(pipes_struct *p,
1973                                    struct samr_ChangePasswordUser3 *r)
1974 {
1975         NTSTATUS status;
1976         fstring user_name;
1977         const char *wks = NULL;
1978         uint32 reject_reason;
1979         struct samr_DomInfo1 *dominfo = NULL;
1980         struct samr_ChangeReject *reject = NULL;
1981         uint32_t tmp;
1982
1983         DEBUG(5,("_samr_ChangePasswordUser3: %d\n", __LINE__));
1984
1985         fstrcpy(user_name, r->in.account->string);
1986         if (r->in.server && r->in.server->string) {
1987                 wks = r->in.server->string;
1988         }
1989
1990         DEBUG(5,("_samr_ChangePasswordUser3: user: %s wks: %s\n", user_name, wks));
1991
1992         /*
1993          * Pass the user through the NT -> unix user mapping
1994          * function.
1995          */
1996
1997         (void)map_username(user_name);
1998
1999         /*
2000          * UNIX username case mangling not required, pass_oem_change
2001          * is case insensitive.
2002          */
2003
2004         status = pass_oem_change(user_name,
2005                                  r->in.lm_password->data,
2006                                  r->in.lm_verifier->hash,
2007                                  r->in.nt_password->data,
2008                                  r->in.nt_verifier->hash,
2009                                  &reject_reason);
2010
2011         if (NT_STATUS_EQUAL(status, NT_STATUS_PASSWORD_RESTRICTION) ||
2012             NT_STATUS_EQUAL(status, NT_STATUS_ACCOUNT_RESTRICTION)) {
2013
2014                 time_t u_expire, u_min_age;
2015                 uint32 account_policy_temp;
2016
2017                 dominfo = TALLOC_ZERO_P(p->mem_ctx, struct samr_DomInfo1);
2018                 if (!dominfo) {
2019                         return NT_STATUS_NO_MEMORY;
2020                 }
2021
2022                 reject = TALLOC_ZERO_P(p->mem_ctx, struct samr_ChangeReject);
2023                 if (!reject) {
2024                         return NT_STATUS_NO_MEMORY;
2025                 }
2026
2027                 become_root();
2028
2029                 /* AS ROOT !!! */
2030
2031                 pdb_get_account_policy(AP_MIN_PASSWORD_LEN, &tmp);
2032                 dominfo->min_password_length = tmp;
2033
2034                 pdb_get_account_policy(AP_PASSWORD_HISTORY, &tmp);
2035                 dominfo->password_history_length = tmp;
2036
2037                 pdb_get_account_policy(AP_USER_MUST_LOGON_TO_CHG_PASS,
2038                                        &dominfo->password_properties);
2039
2040                 pdb_get_account_policy(AP_MAX_PASSWORD_AGE, &account_policy_temp);
2041                 u_expire = account_policy_temp;
2042
2043                 pdb_get_account_policy(AP_MIN_PASSWORD_AGE, &account_policy_temp);
2044                 u_min_age = account_policy_temp;
2045
2046                 /* !AS ROOT */
2047
2048                 unbecome_root();
2049
2050                 unix_to_nt_time_abs((NTTIME *)&dominfo->max_password_age, u_expire);
2051                 unix_to_nt_time_abs((NTTIME *)&dominfo->min_password_age, u_min_age);
2052
2053                 if (lp_check_password_script() && *lp_check_password_script()) {
2054                         dominfo->password_properties |= DOMAIN_PASSWORD_COMPLEX;
2055                 }
2056
2057                 reject->reason = reject_reason;
2058
2059                 *r->out.dominfo = dominfo;
2060                 *r->out.reject = reject;
2061         }
2062
2063         DEBUG(5,("_samr_ChangePasswordUser3: %d\n", __LINE__));
2064
2065         return status;
2066 }
2067
2068 /*******************************************************************
2069 makes a SAMR_R_LOOKUP_RIDS structure.
2070 ********************************************************************/
2071
2072 static bool make_samr_lookup_rids(TALLOC_CTX *ctx, uint32 num_names,
2073                                   const char **names,
2074                                   struct lsa_String **lsa_name_array_p)
2075 {
2076         struct lsa_String *lsa_name_array = NULL;
2077         uint32_t i;
2078
2079         *lsa_name_array_p = NULL;
2080
2081         if (num_names != 0) {
2082                 lsa_name_array = TALLOC_ZERO_ARRAY(ctx, struct lsa_String, num_names);
2083                 if (!lsa_name_array) {
2084                         return false;
2085                 }
2086         }
2087
2088         for (i = 0; i < num_names; i++) {
2089                 DEBUG(10, ("names[%d]:%s\n", i, names[i] && *names[i] ? names[i] : ""));
2090                 init_lsa_String(&lsa_name_array[i], names[i]);
2091         }
2092
2093         *lsa_name_array_p = lsa_name_array;
2094
2095         return true;
2096 }
2097
2098 /*******************************************************************
2099  _samr_LookupRids
2100  ********************************************************************/
2101
2102 NTSTATUS _samr_LookupRids(pipes_struct *p,
2103                           struct samr_LookupRids *r)
2104 {
2105         struct samr_domain_info *dinfo;
2106         NTSTATUS status;
2107         const char **names;
2108         enum lsa_SidType *attrs = NULL;
2109         uint32 *wire_attrs = NULL;
2110         int num_rids = (int)r->in.num_rids;
2111         int i;
2112         struct lsa_Strings names_array;
2113         struct samr_Ids types_array;
2114         struct lsa_String *lsa_names = NULL;
2115
2116         DEBUG(5,("_samr_LookupRids: %d\n", __LINE__));
2117
2118         dinfo = policy_handle_find(p, r->in.domain_handle,
2119                                    0 /* Don't know the acc_bits yet */, NULL,
2120                                    struct samr_domain_info, &status);
2121         if (!NT_STATUS_IS_OK(status)) {
2122                 return status;
2123         }
2124
2125         if (num_rids > 1000) {
2126                 DEBUG(0, ("Got asked for %d rids (more than 1000) -- according "
2127                           "to samba4 idl this is not possible\n", num_rids));
2128                 return NT_STATUS_UNSUCCESSFUL;
2129         }
2130
2131         if (num_rids) {
2132                 names = TALLOC_ZERO_ARRAY(p->mem_ctx, const char *, num_rids);
2133                 attrs = TALLOC_ZERO_ARRAY(p->mem_ctx, enum lsa_SidType, num_rids);
2134                 wire_attrs = TALLOC_ZERO_ARRAY(p->mem_ctx, uint32, num_rids);
2135
2136                 if ((names == NULL) || (attrs == NULL) || (wire_attrs==NULL))
2137                         return NT_STATUS_NO_MEMORY;
2138         } else {
2139                 names = NULL;
2140                 attrs = NULL;
2141                 wire_attrs = NULL;
2142         }
2143
2144         become_root();  /* lookup_sid can require root privs */
2145         status = pdb_lookup_rids(&dinfo->sid, num_rids, r->in.rids,
2146                                  names, attrs);
2147         unbecome_root();
2148
2149         if (NT_STATUS_EQUAL(status, NT_STATUS_NONE_MAPPED) && (num_rids == 0)) {
2150                 status = NT_STATUS_OK;
2151         }
2152
2153         if (!make_samr_lookup_rids(p->mem_ctx, num_rids, names,
2154                                    &lsa_names)) {
2155                 return NT_STATUS_NO_MEMORY;
2156         }
2157
2158         /* Convert from enum lsa_SidType to uint32 for wire format. */
2159         for (i = 0; i < num_rids; i++) {
2160                 wire_attrs[i] = (uint32)attrs[i];
2161         }
2162
2163         names_array.count = num_rids;
2164         names_array.names = lsa_names;
2165
2166         types_array.count = num_rids;
2167         types_array.ids = wire_attrs;
2168
2169         *r->out.names = names_array;
2170         *r->out.types = types_array;
2171
2172         DEBUG(5,("_samr_LookupRids: %d\n", __LINE__));
2173
2174         return status;
2175 }
2176
2177 /*******************************************************************
2178  _samr_OpenUser
2179 ********************************************************************/
2180
2181 NTSTATUS _samr_OpenUser(pipes_struct *p,
2182                         struct samr_OpenUser *r)
2183 {
2184         struct samu *sampass=NULL;
2185         DOM_SID sid;
2186         struct samr_domain_info *dinfo;
2187         struct samr_user_info *uinfo;
2188         SEC_DESC *psd = NULL;
2189         uint32    acc_granted;
2190         uint32    des_access = r->in.access_mask;
2191         size_t    sd_size;
2192         bool ret;
2193         NTSTATUS nt_status;
2194         SE_PRIV se_rights;
2195         NTSTATUS status;
2196
2197         dinfo = policy_handle_find(p, r->in.domain_handle,
2198                                    SAMR_DOMAIN_ACCESS_OPEN_ACCOUNT, NULL,
2199                                    struct samr_domain_info, &status);
2200         if (!NT_STATUS_IS_OK(status)) {
2201                 return status;
2202         }
2203
2204         if ( !(sampass = samu_new( p->mem_ctx )) ) {
2205                 return NT_STATUS_NO_MEMORY;
2206         }
2207
2208         /* append the user's RID to it */
2209
2210         if (!sid_compose(&sid, &dinfo->sid, r->in.rid))
2211                 return NT_STATUS_NO_SUCH_USER;
2212
2213         /* check if access can be granted as requested by client. */
2214
2215         map_max_allowed_access(p->server_info->ptok, &des_access);
2216
2217         make_samr_object_sd(p->mem_ctx, &psd, &sd_size, &usr_generic_mapping, &sid, SAMR_USR_RIGHTS_WRITE_PW);
2218         se_map_generic(&des_access, &usr_generic_mapping);
2219
2220         se_priv_copy( &se_rights, &se_machine_account );
2221         se_priv_add( &se_rights, &se_add_users );
2222
2223         nt_status = access_check_samr_object(psd, p->server_info->ptok,
2224                 &se_rights, GENERIC_RIGHTS_USER_WRITE, des_access,
2225                 &acc_granted, "_samr_OpenUser");
2226
2227         if ( !NT_STATUS_IS_OK(nt_status) )
2228                 return nt_status;
2229
2230         become_root();
2231         ret=pdb_getsampwsid(sampass, &sid);
2232         unbecome_root();
2233
2234         /* check that the SID exists in our domain. */
2235         if (ret == False) {
2236                 return NT_STATUS_NO_SUCH_USER;
2237         }
2238
2239         TALLOC_FREE(sampass);
2240
2241         uinfo = policy_handle_create(p, r->out.user_handle, acc_granted,
2242                                      struct samr_user_info, &nt_status);
2243         if (!NT_STATUS_IS_OK(nt_status)) {
2244                 return nt_status;
2245         }
2246         uinfo->sid = sid;
2247
2248         return NT_STATUS_OK;
2249 }
2250
2251 /*************************************************************************
2252  *************************************************************************/
2253
2254 static NTSTATUS init_samr_parameters_string(TALLOC_CTX *mem_ctx,
2255                                             DATA_BLOB *blob,
2256                                             struct lsa_BinaryString **_r)
2257 {
2258         struct lsa_BinaryString *r;
2259
2260         if (!blob || !_r) {
2261                 return NT_STATUS_INVALID_PARAMETER;
2262         }
2263
2264         r = TALLOC_ZERO_P(mem_ctx, struct lsa_BinaryString);
2265         if (!r) {
2266                 return NT_STATUS_NO_MEMORY;
2267         }
2268
2269         r->array = TALLOC_ZERO_ARRAY(mem_ctx, uint16_t, blob->length/2);
2270         if (!r->array) {
2271                 return NT_STATUS_NO_MEMORY;
2272         }
2273         memcpy(r->array, blob->data, blob->length);
2274         r->size = blob->length;
2275         r->length = blob->length;
2276
2277         if (!r->array) {
2278                 return NT_STATUS_NO_MEMORY;
2279         }
2280
2281         *_r = r;
2282
2283         return NT_STATUS_OK;
2284 }
2285
2286 /*************************************************************************
2287  get_user_info_1.
2288  *************************************************************************/
2289
2290 static NTSTATUS get_user_info_1(TALLOC_CTX *mem_ctx,
2291                                 struct samr_UserInfo1 *r,
2292                                 struct samu *pw,
2293                                 DOM_SID *domain_sid)
2294 {
2295         const DOM_SID *sid_group;
2296         uint32_t primary_gid;
2297
2298         become_root();
2299         sid_group = pdb_get_group_sid(pw);
2300         unbecome_root();
2301
2302         if (!sid_peek_check_rid(domain_sid, sid_group, &primary_gid)) {
2303                 DEBUG(0, ("get_user_info_1: User %s has Primary Group SID %s, \n"
2304                           "which conflicts with the domain sid %s.  Failing operation.\n",
2305                           pdb_get_username(pw), sid_string_dbg(sid_group),
2306                           sid_string_dbg(domain_sid)));
2307                 return NT_STATUS_UNSUCCESSFUL;
2308         }
2309
2310         r->account_name.string          = talloc_strdup(mem_ctx, pdb_get_username(pw));
2311         r->full_name.string             = talloc_strdup(mem_ctx, pdb_get_fullname(pw));
2312         r->primary_gid                  = primary_gid;
2313         r->description.string           = talloc_strdup(mem_ctx, pdb_get_acct_desc(pw));
2314         r->comment.string               = talloc_strdup(mem_ctx, pdb_get_comment(pw));
2315
2316         return NT_STATUS_OK;
2317 }
2318
2319 /*************************************************************************
2320  get_user_info_2.
2321  *************************************************************************/
2322
2323 static NTSTATUS get_user_info_2(TALLOC_CTX *mem_ctx,
2324                                 struct samr_UserInfo2 *r,
2325                                 struct samu *pw)
2326 {
2327         r->comment.string               = talloc_strdup(mem_ctx, pdb_get_comment(pw));
2328         r->unknown.string               = NULL;
2329         r->country_code                 = 0;
2330         r->code_page                    = 0;
2331
2332         return NT_STATUS_OK;
2333 }
2334
2335 /*************************************************************************
2336  get_user_info_3.
2337  *************************************************************************/
2338
2339 static NTSTATUS get_user_info_3(TALLOC_CTX *mem_ctx,
2340                                 struct samr_UserInfo3 *r,
2341                                 struct samu *pw,
2342                                 DOM_SID *domain_sid)
2343 {
2344         const DOM_SID *sid_user, *sid_group;
2345         uint32_t rid, primary_gid;
2346
2347         sid_user = pdb_get_user_sid(pw);
2348
2349         if (!sid_peek_check_rid(domain_sid, sid_user, &rid)) {
2350                 DEBUG(0, ("get_user_info_3: User %s has SID %s, \nwhich conflicts with "
2351                           "the domain sid %s.  Failing operation.\n",
2352                           pdb_get_username(pw), sid_string_dbg(sid_user),
2353                           sid_string_dbg(domain_sid)));
2354                 return NT_STATUS_UNSUCCESSFUL;
2355         }
2356
2357         become_root();
2358         sid_group = pdb_get_group_sid(pw);
2359         unbecome_root();
2360
2361         if (!sid_peek_check_rid(domain_sid, sid_group, &primary_gid)) {
2362                 DEBUG(0, ("get_user_info_3: User %s has Primary Group SID %s, \n"
2363                           "which conflicts with the domain sid %s.  Failing operation.\n",
2364                           pdb_get_username(pw), sid_string_dbg(sid_group),
2365                           sid_string_dbg(domain_sid)));
2366                 return NT_STATUS_UNSUCCESSFUL;
2367         }
2368
2369         unix_to_nt_time(&r->last_logon, pdb_get_logon_time(pw));
2370         unix_to_nt_time(&r->last_logoff, pdb_get_logoff_time(pw));
2371         unix_to_nt_time(&r->last_password_change, pdb_get_pass_last_set_time(pw));
2372         unix_to_nt_time(&r->allow_password_change, pdb_get_pass_can_change_time(pw));
2373         unix_to_nt_time(&r->force_password_change, pdb_get_pass_must_change_time(pw));
2374
2375         r->account_name.string  = talloc_strdup(mem_ctx, pdb_get_username(pw));
2376         r->full_name.string     = talloc_strdup(mem_ctx, pdb_get_fullname(pw));
2377         r->home_directory.string= talloc_strdup(mem_ctx, pdb_get_homedir(pw));
2378         r->home_drive.string    = talloc_strdup(mem_ctx, pdb_get_dir_drive(pw));
2379         r->logon_script.string  = talloc_strdup(mem_ctx, pdb_get_logon_script(pw));
2380         r->profile_path.string  = talloc_strdup(mem_ctx, pdb_get_profile_path(pw));
2381         r->workstations.string  = talloc_strdup(mem_ctx, pdb_get_workstations(pw));
2382
2383         r->logon_hours          = get_logon_hours_from_pdb(mem_ctx, pw);
2384         r->rid                  = rid;
2385         r->primary_gid          = primary_gid;
2386         r->acct_flags           = pdb_get_acct_ctrl(pw);
2387         r->bad_password_count   = pdb_get_bad_password_count(pw);
2388         r->logon_count          = pdb_get_logon_count(pw);
2389
2390         return NT_STATUS_OK;
2391 }
2392
2393 /*************************************************************************
2394  get_user_info_4.
2395  *************************************************************************/
2396
2397 static NTSTATUS get_user_info_4(TALLOC_CTX *mem_ctx,
2398                                 struct samr_UserInfo4 *r,
2399                                 struct samu *pw)
2400 {
2401         r->logon_hours          = get_logon_hours_from_pdb(mem_ctx, pw);
2402
2403         return NT_STATUS_OK;
2404 }
2405
2406 /*************************************************************************
2407  get_user_info_5.
2408  *************************************************************************/
2409
2410 static NTSTATUS get_user_info_5(TALLOC_CTX *mem_ctx,
2411                                 struct samr_UserInfo5 *r,
2412                                 struct samu *pw,
2413                                 DOM_SID *domain_sid)
2414 {
2415         const DOM_SID *sid_user, *sid_group;
2416         uint32_t rid, primary_gid;
2417
2418         sid_user = pdb_get_user_sid(pw);
2419
2420         if (!sid_peek_check_rid(domain_sid, sid_user, &rid)) {
2421                 DEBUG(0, ("get_user_info_5: User %s has SID %s, \nwhich conflicts with "
2422                           "the domain sid %s.  Failing operation.\n",
2423                           pdb_get_username(pw), sid_string_dbg(sid_user),
2424                           sid_string_dbg(domain_sid)));
2425                 return NT_STATUS_UNSUCCESSFUL;
2426         }
2427
2428         become_root();
2429         sid_group = pdb_get_group_sid(pw);
2430         unbecome_root();
2431
2432         if (!sid_peek_check_rid(domain_sid, sid_group, &primary_gid)) {
2433                 DEBUG(0, ("get_user_info_5: User %s has Primary Group SID %s, \n"
2434                           "which conflicts with the domain sid %s.  Failing operation.\n",
2435                           pdb_get_username(pw), sid_string_dbg(sid_group),
2436                           sid_string_dbg(domain_sid)));
2437                 return NT_STATUS_UNSUCCESSFUL;
2438         }
2439
2440         unix_to_nt_time(&r->last_logon, pdb_get_logon_time(pw));
2441         unix_to_nt_time(&r->last_logoff, pdb_get_logoff_time(pw));
2442         unix_to_nt_time(&r->acct_expiry, pdb_get_kickoff_time(pw));
2443         unix_to_nt_time(&r->last_password_change, pdb_get_pass_last_set_time(pw));
2444
2445         r->account_name.string  = talloc_strdup(mem_ctx, pdb_get_username(pw));
2446         r->full_name.string     = talloc_strdup(mem_ctx, pdb_get_fullname(pw));
2447         r->home_directory.string= talloc_strdup(mem_ctx, pdb_get_homedir(pw));
2448         r->home_drive.string    = talloc_strdup(mem_ctx, pdb_get_dir_drive(pw));
2449         r->logon_script.string  = talloc_strdup(mem_ctx, pdb_get_logon_script(pw));
2450         r->profile_path.string  = talloc_strdup(mem_ctx, pdb_get_profile_path(pw));
2451         r->description.string   = talloc_strdup(mem_ctx, pdb_get_acct_desc(pw));
2452         r->workstations.string  = talloc_strdup(mem_ctx, pdb_get_workstations(pw));
2453
2454         r->logon_hours          = get_logon_hours_from_pdb(mem_ctx, pw);
2455         r->rid                  = rid;
2456         r->primary_gid          = primary_gid;
2457         r->acct_flags           = pdb_get_acct_ctrl(pw);
2458         r->bad_password_count   = pdb_get_bad_password_count(pw);
2459         r->logon_count          = pdb_get_logon_count(pw);
2460
2461         return NT_STATUS_OK;
2462 }
2463
2464 /*************************************************************************
2465  get_user_info_6.
2466  *************************************************************************/
2467
2468 static NTSTATUS get_user_info_6(TALLOC_CTX *mem_ctx,
2469                                 struct samr_UserInfo6 *r,
2470                                 struct samu *pw)
2471 {
2472         r->account_name.string  = talloc_strdup(mem_ctx, pdb_get_username(pw));
2473         r->full_name.string     = talloc_strdup(mem_ctx, pdb_get_fullname(pw));
2474
2475         return NT_STATUS_OK;
2476 }
2477
2478 /*************************************************************************
2479  get_user_info_7. Safe. Only gives out account_name.
2480  *************************************************************************/
2481
2482 static NTSTATUS get_user_info_7(TALLOC_CTX *mem_ctx,
2483                                 struct samr_UserInfo7 *r,
2484                                 struct samu *smbpass)
2485 {
2486         r->account_name.string = talloc_strdup(mem_ctx, pdb_get_username(smbpass));
2487         if (!r->account_name.string) {
2488                 return NT_STATUS_NO_MEMORY;
2489         }
2490
2491         return NT_STATUS_OK;
2492 }
2493
2494 /*************************************************************************
2495  get_user_info_8.
2496  *************************************************************************/
2497
2498 static NTSTATUS get_user_info_8(TALLOC_CTX *mem_ctx,
2499                                 struct samr_UserInfo8 *r,
2500                                 struct samu *pw)
2501 {
2502         r->full_name.string     = talloc_strdup(mem_ctx, pdb_get_fullname(pw));
2503
2504         return NT_STATUS_OK;
2505 }
2506
2507 /*************************************************************************
2508  get_user_info_9. Only gives out primary group SID.
2509  *************************************************************************/
2510
2511 static NTSTATUS get_user_info_9(TALLOC_CTX *mem_ctx,
2512                                 struct samr_UserInfo9 *r,
2513                                 struct samu *smbpass)
2514 {
2515         r->primary_gid = pdb_get_group_rid(smbpass);
2516
2517         return NT_STATUS_OK;
2518 }
2519
2520 /*************************************************************************
2521  get_user_info_10.
2522  *************************************************************************/
2523
2524 static NTSTATUS get_user_info_10(TALLOC_CTX *mem_ctx,
2525                                  struct samr_UserInfo10 *r,
2526                                  struct samu *pw)
2527 {
2528         r->home_directory.string= talloc_strdup(mem_ctx, pdb_get_homedir(pw));
2529         r->home_drive.string    = talloc_strdup(mem_ctx, pdb_get_dir_drive(pw));
2530
2531         return NT_STATUS_OK;
2532 }
2533
2534 /*************************************************************************
2535  get_user_info_11.
2536  *************************************************************************/
2537
2538 static NTSTATUS get_user_info_11(TALLOC_CTX *mem_ctx,
2539                                  struct samr_UserInfo11 *r,
2540                                  struct samu *pw)
2541 {
2542         r->logon_script.string  = talloc_strdup(mem_ctx, pdb_get_logon_script(pw));
2543
2544         return NT_STATUS_OK;
2545 }
2546
2547 /*************************************************************************
2548  get_user_info_12.
2549  *************************************************************************/
2550
2551 static NTSTATUS get_user_info_12(TALLOC_CTX *mem_ctx,
2552                                  struct samr_UserInfo12 *r,
2553                                  struct samu *pw)
2554 {
2555         r->profile_path.string  = talloc_strdup(mem_ctx, pdb_get_profile_path(pw));
2556
2557         return NT_STATUS_OK;
2558 }
2559
2560 /*************************************************************************
2561  get_user_info_13.
2562  *************************************************************************/
2563
2564 static NTSTATUS get_user_info_13(TALLOC_CTX *mem_ctx,
2565                                  struct samr_UserInfo13 *r,
2566                                  struct samu *pw)
2567 {
2568         r->description.string   = talloc_strdup(mem_ctx, pdb_get_acct_desc(pw));
2569
2570         return NT_STATUS_OK;
2571 }
2572
2573 /*************************************************************************
2574  get_user_info_14.
2575  *************************************************************************/
2576
2577 static NTSTATUS get_user_info_14(TALLOC_CTX *mem_ctx,
2578                                  struct samr_UserInfo14 *r,
2579                                  struct samu *pw)
2580 {
2581         r->workstations.string  = talloc_strdup(mem_ctx, pdb_get_workstations(pw));
2582
2583         return NT_STATUS_OK;
2584 }
2585
2586 /*************************************************************************
2587  get_user_info_16. Safe. Only gives out acb bits.
2588  *************************************************************************/
2589
2590 static NTSTATUS get_user_info_16(TALLOC_CTX *mem_ctx,
2591                                  struct samr_UserInfo16 *r,
2592                                  struct samu *smbpass)
2593 {
2594         r->acct_flags = pdb_get_acct_ctrl(smbpass);
2595
2596         return NT_STATUS_OK;
2597 }
2598
2599 /*************************************************************************
2600  get_user_info_17.
2601  *************************************************************************/
2602
2603 static NTSTATUS get_user_info_17(TALLOC_CTX *mem_ctx,
2604                                  struct samr_UserInfo17 *r,
2605                                  struct samu *pw)
2606 {
2607         unix_to_nt_time(&r->acct_expiry, pdb_get_kickoff_time(pw));
2608
2609         return NT_STATUS_OK;
2610 }
2611
2612 /*************************************************************************
2613  get_user_info_18. OK - this is the killer as it gives out password info.
2614  Ensure that this is only allowed on an encrypted connection with a root
2615  user. JRA.
2616  *************************************************************************/
2617
2618 static NTSTATUS get_user_info_18(pipes_struct *p,
2619                                  TALLOC_CTX *mem_ctx,
2620                                  struct samr_UserInfo18 *r,
2621                                  DOM_SID *user_sid)
2622 {
2623         struct samu *smbpass=NULL;
2624         bool ret;
2625
2626         ZERO_STRUCTP(r);
2627
2628         if (p->auth.auth_type != PIPE_AUTH_TYPE_NTLMSSP || p->auth.auth_type != PIPE_AUTH_TYPE_SPNEGO_NTLMSSP) {
2629                 return NT_STATUS_ACCESS_DENIED;
2630         }
2631
2632         if (p->auth.auth_level != PIPE_AUTH_LEVEL_PRIVACY) {
2633                 return NT_STATUS_ACCESS_DENIED;
2634         }
2635
2636         /*
2637          * Do *NOT* do become_root()/unbecome_root() here ! JRA.
2638          */
2639
2640         if ( !(smbpass = samu_new( mem_ctx )) ) {
2641                 return NT_STATUS_NO_MEMORY;
2642         }
2643
2644         ret = pdb_getsampwsid(smbpass, user_sid);
2645
2646         if (ret == False) {
2647                 DEBUG(4, ("User %s not found\n", sid_string_dbg(user_sid)));
2648                 TALLOC_FREE(smbpass);
2649                 return (geteuid() == (uid_t)0) ? NT_STATUS_NO_SUCH_USER : NT_STATUS_ACCESS_DENIED;
2650         }
2651
2652         DEBUG(3,("User:[%s] 0x%x\n", pdb_get_username(smbpass), pdb_get_acct_ctrl(smbpass) ));
2653
2654         if ( pdb_get_acct_ctrl(smbpass) & ACB_DISABLED) {
2655                 TALLOC_FREE(smbpass);
2656                 return NT_STATUS_ACCOUNT_DISABLED;
2657         }
2658
2659         r->lm_pwd_active = true;
2660         r->nt_pwd_active = true;
2661         memcpy(r->lm_pwd.hash, pdb_get_lanman_passwd(smbpass), 16);
2662         memcpy(r->nt_pwd.hash, pdb_get_nt_passwd(smbpass), 16);
2663         r->password_expired = 0; /* FIXME */
2664
2665         TALLOC_FREE(smbpass);
2666
2667         return NT_STATUS_OK;
2668 }
2669
2670 /*************************************************************************
2671  get_user_info_20
2672  *************************************************************************/
2673
2674 static NTSTATUS get_user_info_20(TALLOC_CTX *mem_ctx,
2675                                  struct samr_UserInfo20 *r,
2676                                  struct samu *sampass)
2677 {
2678         const char *munged_dial = NULL;
2679         DATA_BLOB blob;
2680         NTSTATUS status;
2681         struct lsa_BinaryString *parameters = NULL;
2682
2683         ZERO_STRUCTP(r);
2684
2685         munged_dial = pdb_get_munged_dial(sampass);
2686
2687         DEBUG(3,("User:[%s] has [%s] (length: %d)\n", pdb_get_username(sampass),
2688                 munged_dial, (int)strlen(munged_dial)));
2689
2690         if (munged_dial) {
2691                 blob = base64_decode_data_blob(munged_dial);
2692         } else {
2693                 blob = data_blob_string_const_null("");
2694         }
2695
2696         status = init_samr_parameters_string(mem_ctx, &blob, &parameters);
2697         data_blob_free(&blob);
2698         if (!NT_STATUS_IS_OK(status)) {
2699                 return status;
2700         }
2701
2702         r->parameters = *parameters;
2703
2704         return NT_STATUS_OK;
2705 }
2706
2707
2708 /*************************************************************************
2709  get_user_info_21
2710  *************************************************************************/
2711
2712 static NTSTATUS get_user_info_21(TALLOC_CTX *mem_ctx,
2713                                  struct samr_UserInfo21 *r,
2714                                  struct samu *pw,
2715                                  DOM_SID *domain_sid)
2716 {
2717         NTSTATUS status;
2718         const DOM_SID *sid_user, *sid_group;
2719         uint32_t rid, primary_gid;
2720         NTTIME force_password_change;
2721         time_t must_change_time;
2722         struct lsa_BinaryString *parameters = NULL;
2723         const char *munged_dial = NULL;
2724         DATA_BLOB blob;
2725
2726         ZERO_STRUCTP(r);
2727
2728         sid_user = pdb_get_user_sid(pw);
2729
2730         if (!sid_peek_check_rid(domain_sid, sid_user, &rid)) {
2731                 DEBUG(0, ("get_user_info_21: User %s has SID %s, \nwhich conflicts with "
2732                           "the domain sid %s.  Failing operation.\n",
2733                           pdb_get_username(pw), sid_string_dbg(sid_user),
2734                           sid_string_dbg(domain_sid)));
2735                 return NT_STATUS_UNSUCCESSFUL;
2736         }
2737
2738         become_root();
2739         sid_group = pdb_get_group_sid(pw);
2740         unbecome_root();
2741
2742         if (!sid_peek_check_rid(domain_sid, sid_group, &primary_gid)) {
2743                 DEBUG(0, ("get_user_info_21: User %s has Primary Group SID %s, \n"
2744                           "which conflicts with the domain sid %s.  Failing operation.\n",
2745                           pdb_get_username(pw), sid_string_dbg(sid_group),
2746                           sid_string_dbg(domain_sid)));
2747                 return NT_STATUS_UNSUCCESSFUL;
2748         }
2749
2750         unix_to_nt_time(&r->last_logon, pdb_get_logon_time(pw));
2751         unix_to_nt_time(&r->last_logoff, pdb_get_logoff_time(pw));
2752         unix_to_nt_time(&r->acct_expiry, pdb_get_kickoff_time(pw));
2753         unix_to_nt_time(&r->last_password_change, pdb_get_pass_last_set_time(pw));
2754         unix_to_nt_time(&r->allow_password_change, pdb_get_pass_can_change_time(pw));
2755
2756         must_change_time = pdb_get_pass_must_change_time(pw);
2757         if (must_change_time == get_time_t_max()) {
2758                 unix_to_nt_time_abs(&force_password_change, must_change_time);
2759         } else {
2760                 unix_to_nt_time(&force_password_change, must_change_time);
2761         }
2762
2763         munged_dial = pdb_get_munged_dial(pw);
2764         if (munged_dial) {
2765                 blob = base64_decode_data_blob(munged_dial);
2766         } else {
2767                 blob = data_blob_string_const_null("");
2768         }
2769
2770         status = init_samr_parameters_string(mem_ctx, &blob, &parameters);
2771         data_blob_free(&blob);
2772         if (!NT_STATUS_IS_OK(status)) {
2773                 return status;
2774         }
2775
2776         r->force_password_change        = force_password_change;
2777
2778         r->account_name.string          = talloc_strdup(mem_ctx, pdb_get_username(pw));
2779         r->full_name.string             = talloc_strdup(mem_ctx, pdb_get_fullname(pw));
2780         r->home_directory.string        = talloc_strdup(mem_ctx, pdb_get_homedir(pw));
2781         r->home_drive.string            = talloc_strdup(mem_ctx, pdb_get_dir_drive(pw));
2782         r->logon_script.string          = talloc_strdup(mem_ctx, pdb_get_logon_script(pw));
2783         r->profile_path.string          = talloc_strdup(mem_ctx, pdb_get_profile_path(pw));
2784         r->description.string           = talloc_strdup(mem_ctx, pdb_get_acct_desc(pw));
2785         r->workstations.string          = talloc_strdup(mem_ctx, pdb_get_workstations(pw));
2786         r->comment.string               = talloc_strdup(mem_ctx, pdb_get_comment(pw));
2787
2788         r->logon_hours                  = get_logon_hours_from_pdb(mem_ctx, pw);
2789         r->parameters                   = *parameters;
2790         r->rid                          = rid;
2791         r->primary_gid                  = primary_gid;
2792         r->acct_flags                   = pdb_get_acct_ctrl(pw);
2793         r->bad_password_count           = pdb_get_bad_password_count(pw);
2794         r->logon_count                  = pdb_get_logon_count(pw);
2795         r->fields_present               = pdb_build_fields_present(pw);
2796         r->password_expired             = (pdb_get_pass_must_change_time(pw) == 0) ?
2797                                                 PASS_MUST_CHANGE_AT_NEXT_LOGON : 0;
2798         r->country_code                 = 0;
2799         r->code_page                    = 0;
2800         r->lm_password_set              = 0;
2801         r->nt_password_set              = 0;
2802
2803 #if 0
2804
2805         /*
2806           Look at a user on a real NT4 PDC with usrmgr, press
2807           'ok'. Then you will see that fields_present is set to
2808           0x08f827fa. Look at the user immediately after that again,
2809           and you will see that 0x00fffff is returned. This solves
2810           the problem that you get access denied after having looked
2811           at the user.
2812           -- Volker
2813         */
2814
2815 #endif
2816
2817
2818         return NT_STATUS_OK;
2819 }
2820
2821 /*******************************************************************
2822  _samr_QueryUserInfo
2823  ********************************************************************/
2824
2825 NTSTATUS _samr_QueryUserInfo(pipes_struct *p,
2826                              struct samr_QueryUserInfo *r)
2827 {
2828         NTSTATUS status;
2829         union samr_UserInfo *user_info = NULL;
2830         struct samr_user_info *uinfo;
2831         DOM_SID domain_sid;
2832         uint32 rid;
2833         bool ret = false;
2834         struct samu *pwd = NULL;
2835
2836         uinfo = policy_handle_find(p, r->in.user_handle,
2837                                    SAMR_USER_ACCESS_GET_ATTRIBUTES, NULL,
2838                                    struct samr_user_info, &status);
2839         if (!NT_STATUS_IS_OK(status)) {
2840                 return status;
2841         }
2842
2843         domain_sid = uinfo->sid;
2844
2845         sid_split_rid(&domain_sid, &rid);
2846
2847         if (!sid_check_is_in_our_domain(&uinfo->sid))
2848                 return NT_STATUS_OBJECT_TYPE_MISMATCH;
2849
2850         DEBUG(5,("_samr_QueryUserInfo: sid:%s\n",
2851                  sid_string_dbg(&uinfo->sid)));
2852
2853         user_info = TALLOC_ZERO_P(p->mem_ctx, union samr_UserInfo);
2854         if (!user_info) {
2855                 return NT_STATUS_NO_MEMORY;
2856         }
2857
2858         DEBUG(5,("_samr_QueryUserInfo: user info level: %d\n", r->in.level));
2859
2860         if (!(pwd = samu_new(p->mem_ctx))) {
2861                 return NT_STATUS_NO_MEMORY;
2862         }
2863
2864         become_root();
2865         ret = pdb_getsampwsid(pwd, &uinfo->sid);
2866         unbecome_root();
2867
2868         if (ret == false) {
2869                 DEBUG(4,("User %s not found\n", sid_string_dbg(&uinfo->sid)));
2870                 TALLOC_FREE(pwd);
2871                 return NT_STATUS_NO_SUCH_USER;
2872         }
2873
2874         DEBUG(3,("User:[%s]\n", pdb_get_username(pwd)));
2875
2876         samr_clear_sam_passwd(pwd);
2877
2878         switch (r->in.level) {
2879         case 1:
2880                 status = get_user_info_1(p->mem_ctx, &user_info->info1, pwd, &domain_sid);
2881                 break;
2882         case 2:
2883                 status = get_user_info_2(p->mem_ctx, &user_info->info2, pwd);
2884                 break;
2885         case 3:
2886                 status = get_user_info_3(p->mem_ctx, &user_info->info3, pwd, &domain_sid);
2887                 break;
2888         case 4:
2889                 status = get_user_info_4(p->mem_ctx, &user_info->info4, pwd);
2890                 break;
2891         case 5:
2892                 status = get_user_info_5(p->mem_ctx, &user_info->info5, pwd, &domain_sid);
2893                 break;
2894         case 6:
2895                 status = get_user_info_6(p->mem_ctx, &user_info->info6, pwd);
2896                 break;
2897         case 7:
2898                 status = get_user_info_7(p->mem_ctx, &user_info->info7, pwd);
2899                 break;
2900         case 8:
2901                 status = get_user_info_8(p->mem_ctx, &user_info->info8, pwd);
2902                 break;
2903         case 9:
2904                 status = get_user_info_9(p->mem_ctx, &user_info->info9, pwd);
2905                 break;
2906         case 10:
2907                 status = get_user_info_10(p->mem_ctx, &user_info->info10, pwd);
2908                 break;
2909         case 11:
2910                 status = get_user_info_11(p->mem_ctx, &user_info->info11, pwd);
2911                 break;
2912         case 12:
2913                 status = get_user_info_12(p->mem_ctx, &user_info->info12, pwd);
2914                 break;
2915         case 13:
2916                 status = get_user_info_13(p->mem_ctx, &user_info->info13, pwd);
2917                 break;
2918         case 14:
2919                 status = get_user_info_14(p->mem_ctx, &user_info->info14, pwd);
2920                 break;
2921         case 16:
2922                 status = get_user_info_16(p->mem_ctx, &user_info->info16, pwd);
2923                 break;
2924         case 17:
2925                 status = get_user_info_17(p->mem_ctx, &user_info->info17, pwd);
2926                 break;
2927         case 18:
2928                 /* level 18 is special */
2929                 status = get_user_info_18(p, p->mem_ctx, &user_info->info18,
2930                                           &uinfo->sid);
2931                 break;
2932         case 20:
2933                 status = get_user_info_20(p->mem_ctx, &user_info->info20, pwd);
2934                 break;
2935         case 21:
2936                 status = get_user_info_21(p->mem_ctx, &user_info->info21, pwd, &domain_sid);
2937                 break;
2938         default:
2939                 status = NT_STATUS_INVALID_INFO_CLASS;
2940                 break;
2941         }
2942
2943         TALLOC_FREE(pwd);
2944
2945         *r->out.info = user_info;
2946
2947         DEBUG(5,("_samr_QueryUserInfo: %d\n", __LINE__));
2948
2949         return status;
2950 }
2951
2952 /****************************************************************
2953 ****************************************************************/
2954
2955 NTSTATUS _samr_QueryUserInfo2(pipes_struct *p,
2956                               struct samr_QueryUserInfo2 *r)
2957 {
2958         struct samr_QueryUserInfo u;
2959
2960         u.in.user_handle        = r->in.user_handle;
2961         u.in.level              = r->in.level;
2962         u.out.info              = r->out.info;
2963
2964         return _samr_QueryUserInfo(p, &u);
2965 }
2966
2967 /*******************************************************************
2968  _samr_GetGroupsForUser
2969  ********************************************************************/
2970
2971 NTSTATUS _samr_GetGroupsForUser(pipes_struct *p,
2972                                 struct samr_GetGroupsForUser *r)
2973 {
2974         struct samr_user_info *uinfo;
2975         struct samu *sam_pass=NULL;
2976         DOM_SID *sids;
2977         struct samr_RidWithAttribute dom_gid;
2978         struct samr_RidWithAttribute *gids = NULL;
2979         uint32 primary_group_rid;
2980         size_t num_groups = 0;
2981         gid_t *unix_gids;
2982         size_t i, num_gids;
2983         bool ret;
2984         NTSTATUS result;
2985         bool success = False;
2986
2987         struct samr_RidWithAttributeArray *rids = NULL;
2988
2989         /*
2990          * from the SID in the request:
2991          * we should send back the list of DOMAIN GROUPS
2992          * the user is a member of
2993          *
2994          * and only the DOMAIN GROUPS
2995          * no ALIASES !!! neither aliases of the domain
2996          * nor aliases of the builtin SID
2997          *
2998          * JFM, 12/2/2001
2999          */
3000
3001         DEBUG(5,("_samr_GetGroupsForUser: %d\n", __LINE__));
3002
3003         uinfo = policy_handle_find(p, r->in.user_handle,
3004                                    SAMR_USER_ACCESS_GET_GROUPS, NULL,
3005                                    struct samr_user_info, &result);
3006         if (!NT_STATUS_IS_OK(result)) {
3007                 return result;
3008         }
3009
3010         rids = TALLOC_ZERO_P(p->mem_ctx, struct samr_RidWithAttributeArray);
3011         if (!rids) {
3012                 return NT_STATUS_NO_MEMORY;
3013         }
3014
3015         if (!sid_check_is_in_our_domain(&uinfo->sid))
3016                 return NT_STATUS_OBJECT_TYPE_MISMATCH;
3017
3018         if ( !(sam_pass = samu_new( p->mem_ctx )) ) {
3019                 return NT_STATUS_NO_MEMORY;
3020         }
3021
3022         become_root();
3023         ret = pdb_getsampwsid(sam_pass, &uinfo->sid);
3024         unbecome_root();
3025
3026         if (!ret) {
3027                 DEBUG(10, ("pdb_getsampwsid failed for %s\n",
3028                            sid_string_dbg(&uinfo->sid)));
3029                 return NT_STATUS_NO_SUCH_USER;
3030         }
3031
3032         sids = NULL;
3033
3034         /* make both calls inside the root block */
3035         become_root();
3036         result = pdb_enum_group_memberships(p->mem_ctx, sam_pass,
3037                                             &sids, &unix_gids, &num_groups);
3038         if ( NT_STATUS_IS_OK(result) ) {
3039                 success = sid_peek_check_rid(get_global_sam_sid(),
3040                                              pdb_get_group_sid(sam_pass),
3041                                              &primary_group_rid);
3042         }
3043         unbecome_root();
3044
3045         if (!NT_STATUS_IS_OK(result)) {
3046                 DEBUG(10, ("pdb_enum_group_memberships failed for %s\n",
3047                            sid_string_dbg(&uinfo->sid)));
3048                 return result;
3049         }
3050
3051         if ( !success ) {
3052                 DEBUG(5, ("Group sid %s for user %s not in our domain\n",
3053                           sid_string_dbg(pdb_get_group_sid(sam_pass)),
3054                           pdb_get_username(sam_pass)));
3055                 TALLOC_FREE(sam_pass);
3056                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
3057         }
3058
3059         gids = NULL;
3060         num_gids = 0;
3061
3062         dom_gid.attributes = (SE_GROUP_MANDATORY|SE_GROUP_ENABLED_BY_DEFAULT|
3063                               SE_GROUP_ENABLED);
3064         dom_gid.rid = primary_group_rid;
3065         ADD_TO_ARRAY(p->mem_ctx, struct samr_RidWithAttribute, dom_gid, &gids, &num_gids);
3066
3067         for (i=0; i<num_groups; i++) {
3068
3069                 if (!sid_peek_check_rid(get_global_sam_sid(),
3070                                         &(sids[i]), &dom_gid.rid)) {
3071                         DEBUG(10, ("Found sid %s not in our domain\n",
3072                                    sid_string_dbg(&sids[i])));
3073                         continue;
3074                 }
3075
3076                 if (dom_gid.rid == primary_group_rid) {
3077                         /* We added the primary group directly from the
3078                          * sam_account. The other SIDs are unique from
3079                          * enum_group_memberships */
3080                         continue;
3081                 }
3082
3083                 ADD_TO_ARRAY(p->mem_ctx, struct samr_RidWithAttribute, dom_gid, &gids, &num_gids);
3084         }
3085
3086         rids->count = num_gids;
3087         rids->rids = gids;
3088
3089         *r->out.rids = rids;
3090
3091         DEBUG(5,("_samr_GetGroupsForUser: %d\n", __LINE__));
3092
3093         return result;
3094 }
3095
3096 /*******************************************************************
3097  _samr_QueryDomainInfo
3098  ********************************************************************/
3099
3100 NTSTATUS _samr_QueryDomainInfo(pipes_struct *p,
3101                                struct samr_QueryDomainInfo *r)
3102 {
3103         NTSTATUS status = NT_STATUS_OK;
3104         struct samr_domain_info *dinfo;
3105         union samr_DomainInfo *dom_info;
3106         time_t u_expire, u_min_age;
3107
3108         time_t u_lock_duration, u_reset_time;
3109         uint32_t u_logout;
3110
3111         uint32 account_policy_temp;
3112
3113         time_t seq_num;
3114         uint32 server_role;
3115
3116         DEBUG(5,("_samr_QueryDomainInfo: %d\n", __LINE__));
3117
3118         dinfo = policy_handle_find(p, r->in.domain_handle,
3119                                    SAMR_ACCESS_LOOKUP_DOMAIN, NULL,
3120                                    struct samr_domain_info, &status);
3121         if (!NT_STATUS_IS_OK(status)) {
3122                 return status;
3123         }
3124
3125         dom_info = TALLOC_ZERO_P(p->mem_ctx, union samr_DomainInfo);
3126         if (!dom_info) {
3127                 return NT_STATUS_NO_MEMORY;
3128         }
3129
3130         switch (r->in.level) {
3131                 case 0x01:
3132
3133                         become_root();
3134
3135                         /* AS ROOT !!! */
3136
3137                         pdb_get_account_policy(AP_MIN_PASSWORD_LEN,
3138                                                &account_policy_temp);
3139                         dom_info->info1.min_password_length = account_policy_temp;
3140
3141                         pdb_get_account_policy(AP_PASSWORD_HISTORY, &account_policy_temp);
3142                         dom_info->info1.password_history_length = account_policy_temp;
3143
3144                         pdb_get_account_policy(AP_USER_MUST_LOGON_TO_CHG_PASS,
3145                                 &dom_info->info1.password_properties);
3146
3147                         pdb_get_account_policy(AP_MAX_PASSWORD_AGE, &account_policy_temp);
3148                         u_expire = account_policy_temp;
3149
3150                         pdb_get_account_policy(AP_MIN_PASSWORD_AGE, &account_policy_temp);
3151                         u_min_age = account_policy_temp;
3152
3153                         /* !AS ROOT */
3154
3155                         unbecome_root();
3156
3157                         unix_to_nt_time_abs((NTTIME *)&dom_info->info1.max_password_age, u_expire);
3158                         unix_to_nt_time_abs((NTTIME *)&dom_info->info1.min_password_age, u_min_age);
3159
3160                         if (lp_check_password_script() && *lp_check_password_script()) {
3161                                 dom_info->info1.password_properties |= DOMAIN_PASSWORD_COMPLEX;
3162                         }
3163
3164                         break;
3165                 case 0x02:
3166
3167                         become_root();
3168
3169                         /* AS ROOT !!! */
3170
3171                         dom_info->general.num_users     = count_sam_users(
3172                                 dinfo->disp_info, ACB_NORMAL);
3173                         dom_info->general.num_groups    = count_sam_groups(
3174                                 dinfo->disp_info);
3175                         dom_info->general.num_aliases   = count_sam_aliases(
3176                                 dinfo->disp_info);
3177
3178                         pdb_get_account_policy(AP_TIME_TO_LOGOUT, &u_logout);
3179
3180                         unix_to_nt_time_abs(&dom_info->general.force_logoff_time, u_logout);
3181
3182                         if (!pdb_get_seq_num(&seq_num))
3183                                 seq_num = time(NULL);
3184
3185                         /* !AS ROOT */
3186
3187                         unbecome_root();
3188
3189                         server_role = ROLE_DOMAIN_PDC;
3190                         if (lp_server_role() == ROLE_DOMAIN_BDC)
3191                                 server_role = ROLE_DOMAIN_BDC;
3192
3193                         dom_info->general.oem_information.string        = lp_serverstring();
3194                         dom_info->general.domain_name.string            = lp_workgroup();
3195                         dom_info->general.primary.string                = global_myname();
3196                         dom_info->general.sequence_num                  = seq_num;
3197                         dom_info->general.domain_server_state           = DOMAIN_SERVER_ENABLED;
3198                         dom_info->general.role                          = server_role;
3199                         dom_info->general.unknown3                      = 1;
3200
3201                         break;
3202                 case 0x03:
3203
3204                         become_root();
3205
3206                         /* AS ROOT !!! */
3207
3208                         {
3209                                 uint32 ul;
3210                                 pdb_get_account_policy(AP_TIME_TO_LOGOUT, &ul);
3211                                 u_logout = (time_t)ul;
3212                         }
3213
3214                         /* !AS ROOT */
3215
3216                         unbecome_root();
3217
3218                         unix_to_nt_time_abs(&dom_info->info3.force_logoff_time, u_logout);
3219
3220                         break;
3221                 case 0x04:
3222                         dom_info->oem.oem_information.string = lp_serverstring();
3223                         break;
3224                 case 0x05:
3225                         dom_info->info5.domain_name.string = get_global_sam_name();
3226                         break;